125,020
125,020 is a composite number, even.
125,020 (one hundred twenty-five thousand twenty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2² × 5 × 7 × 19 × 47. Its proper divisors sum to 197,540, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E85C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 20,521
- Recamán's sequence
- a(236,124) = 125,020
- Square (n²)
- 15,630,000,400
- Cube (n³)
- 1,954,062,650,008,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 322,560
- φ(n) — Euler's totient
- 39,744
- Sum of prime factors
- 82
Primality
Prime factorization: 2 2 × 5 × 7 × 19 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,020 = [353; (1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 36, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 706)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand twenty
- Ordinal
- 125020th
- Binary
- 11110100001011100
- Octal
- 364134
- Hexadecimal
- 0x1E85C
- Base64
- Aehc
- One's complement
- 4,294,842,275 (32-bit)
- Scientific notation
- 1.2502 × 10⁵
- As a duration
- 125,020 s = 1 day, 10 hours, 43 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆
- Greek (Milesian)
- ͵ρκεκʹ
- Mayan (base 20)
- 𝋯·𝋬·𝋫·𝋠
- Chinese
- 一十二萬五千零二十
- Chinese (financial)
- 壹拾貳萬伍仟零貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125020, here are decompositions:
- 3 + 125017 = 125020
- 17 + 125003 = 125020
- 29 + 124991 = 125020
- 41 + 124979 = 125020
- 101 + 124919 = 125020
- 113 + 124907 = 125020
- 167 + 124853 = 125020
- 173 + 124847 = 125020
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E A1 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.232.92.
- Address
- 0.1.232.92
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.232.92
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 125,020 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.