125,040
125,040 is a composite number, even.
125,040 (one hundred twenty-five thousand forty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 3 × 5 × 521. Its proper divisors sum to 263,328, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E870.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 40,521
- Recamán's sequence
- a(236,084) = 125,040
- Square (n²)
- 15,635,001,600
- Cube (n³)
- 1,955,000,600,064,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 388,368
- φ(n) — Euler's totient
- 33,280
- Sum of prime factors
- 537
Primality
Prime factorization: 2 4 × 3 × 5 × 521
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,040 = [353; (1, 1, 1, 1, 3, 2, 2, 1, 1, 3, 1, 5, 15, 1, 9, 44, 9, 1, 15, 5, 1, 3, 1, 1, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand forty
- Ordinal
- 125040th
- Binary
- 11110100001110000
- Octal
- 364160
- Hexadecimal
- 0x1E870
- Base64
- Aehw
- One's complement
- 4,294,842,255 (32-bit)
- Scientific notation
- 1.2504 × 10⁵
- As a duration
- 125,040 s = 1 day, 10 hours, 44 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκεμʹ
- Mayan (base 20)
- 𝋯·𝋬·𝋬·𝋠
- Chinese
- 一十二萬五千零四十
- Chinese (financial)
- 壹拾貳萬伍仟零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125040, here are decompositions:
- 11 + 125029 = 125040
- 23 + 125017 = 125040
- 37 + 125003 = 125040
- 53 + 124987 = 125040
- 59 + 124981 = 125040
- 61 + 124979 = 125040
- 89 + 124951 = 125040
- 131 + 124909 = 125040
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E A1 B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.232.112.
- Address
- 0.1.232.112
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.232.112
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 125,040 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 125040 first appears in π at position 721,526 of the decimal expansion (the 721,526ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.