122,560
122,560 is a composite number, even.
122,560 (one hundred twenty-two thousand five hundred sixty) is an even 6-digit number. It is a composite number with 28 divisors, and factors as 2⁶ × 5 × 383. Its proper divisors sum to 170,048, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DEC0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 65,221
- Square (n²)
- 15,020,953,600
- Cube (n³)
- 1,840,968,073,216,000
- Divisor count
- 28
- σ(n) — sum of divisors
- 292,608
- φ(n) — Euler's totient
- 48,896
- Sum of prime factors
- 400
Primality
Prime factorization: 2 6 × 5 × 383
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,560 = [350; (11, 1, 2, 77, 2, 4, 1, 13, 2, 8, 6, 5, 3, 1, 3, 1, 1, 1, 3, 1, 5, 1, 1, 10, …)]
Representations
- In words
- one hundred twenty-two thousand five hundred sixty
- Ordinal
- 122560th
- Binary
- 11101111011000000
- Octal
- 357300
- Hexadecimal
- 0x1DEC0
- Base64
- Ad7A
- One's complement
- 4,294,844,735 (32-bit)
- Scientific notation
- 1.2256 × 10⁵
- As a duration
- 122,560 s = 1 day, 10 hours, 2 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβφξʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋨·𝋠
- Chinese
- 一十二萬二千五百六十
- Chinese (financial)
- 壹拾貳萬貳仟伍佰陸拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122560, here are decompositions:
- 3 + 122557 = 122560
- 59 + 122501 = 122560
- 71 + 122489 = 122560
- 83 + 122477 = 122560
- 89 + 122471 = 122560
- 107 + 122453 = 122560
- 167 + 122393 = 122560
- 173 + 122387 = 122560
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.222.192.
- Address
- 0.1.222.192
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.222.192
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 122,560 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.