Live analysis

122,121

122,121 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

122,121 (one hundred twenty-two thousand one hundred twenty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3³ × 4,523. Written other ways, in hexadecimal, 0x1DD09.

Arithmetic Number Deficient Number Harshad / Niven Odious Number

Interestingness

★ ☆ ☆ ☆ ☆

2 notable facts · grade F

122,109 122,110 122,111 122,112 122,113 122,114 122,115 122,116 122,117 122,118 122,119 122,120 122,121 122,122 122,123 122,124 122,125 122,126 122,127 122,128 122,129 122,130 122,131 122,132 122,133

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 9
Digit product: 8
Digital root: 9
Palindrome: No
Bit width: 17 bits
Reversed: 121,221
Square (n²): 14,913,538,641
Cube (n³): 1,821,256,252,377,561
Divisor count: 8
σ(n) — sum of divisors: 180,960
φ(n) — Euler's totient: 81,396
Sum of prime factors: 4,532

Primality

Prime factorization: 3 ³ × 4523

Nearest primes: 122,117 (−4) · 122,131 (+10)

Divisors & multiples

All divisors (8)

1 · 3 · 9 · 27 · 4523 · 13569 · 40707 · 122121

Aliquot sum (sum of proper divisors): 58,839

Factor pairs (a × b = 122,121)

1 × 122121

3 × 40707

9 × 13569

27 × 4523

First multiples

122,121 · 244,242 (double) · 366,363 · 488,484 · 610,605 · 732,726 · 854,847 · 976,968 · 1,099,089 · 1,221,210

Sums & aliquot sequence

As consecutive integers: 61,060 + 61,061 40,706 + 40,707 + 40,708 20,351 + 20,352 + 20,353 + 20,354 + 20,355 + 20,356 13,565 + 13,566 + … + 13,573

Aliquot sequence: 122,121 → 58,839 → 26,793 → 15,067 → 2,293 → 1 → 0 — terminates at zero

Continued fraction of √n

√122,121 = [349; (2, 5, 2, 9, 8, 1, 1, 1, 2, 2, 2, 1, 4, 1, 7, 1, 1, 2, 9, 3, 4, 1, 5, 1, …)]

Representations

In words: one hundred twenty-two thousand one hundred twenty-one
Ordinal: 122121st
Binary: 11101110100001001
Octal: 356411
Hexadecimal: 0x1DD09
Base64: Ad0J
One's complement: 4,294,845,174 (32-bit)
Scientific notation: 1.22121 × 10⁵
As a duration: 122,121 s = 1 day, 9 hours, 55 minutes, 21 seconds

In other bases

ternary (3) 20012112000

quaternary (4) 131310021

quinary (5) 12401441

senary (6) 2341213

septenary (7) 1016016

nonary (9) 205460

undecimal (11) 8382a

duodecimal (12) 5a809

tridecimal (13) 4377c

tetradecimal (14) 3270d

pentadecimal (15) 262b6

As an angle

122,121° = 339 × 360° + 81°

81° ≈ 1.414 rad

Compass bearing: E (east)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓏺
Greek (Milesian): ͵ρκβρκαʹ
Mayan (base 20): 𝋯·𝋥·𝋦·𝋡
Chinese: 一十二萬二千一百二十一
Chinese (financial): 壹拾貳萬貳仟壹佰貳拾壹

In other modern scripts

Eastern Arabic ١٢٢١٢١ Devanagari १२२१२१ Bengali ১২২১২১ Tamil ௧௨௨௧௨௧ Thai ๑๒๒๑๒๑ Tibetan ༡༢༢༡༢༡ Khmer ១២២១២១ Lao ໑໒໒໑໒໑ Burmese ၁၂၂၁၂၁

Also seen as

Hex color

#01DD09

RGB(1, 221, 9)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.9.

Address: 0.1.221.9
Class: reserved
IPv4-mapped IPv6: ::ffff:0.1.221.9

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 122,121 and was likely granted around 1871.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Look up US122,121 on Google Patents ↗ Look up on USPTO ↗