122,409
122,409 is a composite number, odd.
122,409 (one hundred twenty-two thousand four hundred nine) is an odd 6-digit number. It is a composite number with 24 divisors, and factors as 3² × 7 × 29 × 67. Written other ways, in hexadecimal, 0x1DE29.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 904,221
- Square (n²)
- 14,983,963,281
- Cube (n³)
- 1,834,171,961,263,929
- Divisor count
- 24
- σ(n) — sum of divisors
- 212,160
- φ(n) — Euler's totient
- 66,528
- Sum of prime factors
- 109
Primality
Prime factorization: 3 2 × 7 × 29 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,409 = [349; (1, 6, 1, 2, 4, 3, 1, 10, 5, 1, 7, 1, 10, 4, 1, 1, 5, 2, 2, 1, 8, 27, 1, 6, …)]
Period length 52 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand four hundred nine
- Ordinal
- 122409th
- Binary
- 11101111000101001
- Octal
- 357051
- Hexadecimal
- 0x1DE29
- Base64
- Ad4p
- One's complement
- 4,294,844,886 (32-bit)
- Scientific notation
- 1.22409 × 10⁵
- As a duration
- 122,409 s = 1 day, 10 hours, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 · 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκβυθʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋠·𝋩
- Chinese
- 一十二萬二千四百零九
- Chinese (financial)
- 壹拾貳萬貳仟肆佰零玖
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.222.41.
- Address
- 0.1.222.41
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.222.41
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 122,409 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.