124,520
124,520 is a composite number, even.
124,520 (one hundred twenty-four thousand five hundred twenty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5 × 11 × 283. Its proper divisors sum to 182,200, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E668.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 25,421
- Recamán's sequence
- a(237,124) = 124,520
- Square (n²)
- 15,505,230,400
- Cube (n³)
- 1,930,711,289,408,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 306,720
- φ(n) — Euler's totient
- 45,120
- Sum of prime factors
- 305
Primality
Prime factorization: 2 3 × 5 × 11 × 283
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,520 = [352; (1, 6, 1, 13, 1, 1, 8, 2, 2, 2, 12, 2, 2, 2, 8, 1, 1, 13, 1, 6, 1, 704)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-four thousand five hundred twenty
- Ordinal
- 124520th
- Binary
- 11110011001101000
- Octal
- 363150
- Hexadecimal
- 0x1E668
- Base64
- AeZo
- One's complement
- 4,294,842,775 (32-bit)
- Scientific notation
- 1.2452 × 10⁵
- As a duration
- 124,520 s = 1 day, 10 hours, 35 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρκδφκʹ
- Mayan (base 20)
- 𝋯·𝋫·𝋦·𝋠
- Chinese
- 一十二萬四千五百二十
- Chinese (financial)
- 壹拾貳萬肆仟伍佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124520, here are decompositions:
- 7 + 124513 = 124520
- 31 + 124489 = 124520
- 43 + 124477 = 124520
- 61 + 124459 = 124520
- 73 + 124447 = 124520
- 157 + 124363 = 124520
- 181 + 124339 = 124520
- 211 + 124309 = 124520
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.230.104.
- Address
- 0.1.230.104
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.230.104
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 124,520 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.