Base | Representation |
---|---|
bin | 1110101001110… |
… | …10100001110101 |
3 | 22120022010211100 |
4 | 13110322201311 |
5 | 222432020000 |
6 | 20110400313 |
7 | 3021554313 |
oct | 724724165 |
9 | 276263740 |
10 | 122923125 |
11 | 63428a66 |
12 | 35200099 |
13 | 1c60b5a0 |
14 | 1247b0b3 |
15 | abd1a00 |
hex | 753a875 |
122923125 has 90 divisors (see below), whose sum is σ = 244910666. Its totient is φ = 59040000.
The previous prime is 122923123. The next prime is 122923127. The reversal of 122923125 is 521329221.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (122923123) and next prime (122923127).
It can be written as a sum of positive squares in 15 ways, for example, as 77845329 + 45077796 = 8823^2 + 6714^2 .
It is not a de Polignac number, because 122923125 - 21 = 122923123 is a prime.
It is a super-2 number, since 2×1229231252 = 30220189319531250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122923123) by changing a digit.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 2998105 + ... + 2998145.
Almost surely, 2122923125 is an apocalyptic number.
122923125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122923125 is a deficient number, since it is larger than the sum of its proper divisors (121987541).
122923125 is an equidigital number, since it uses as much as digits as its factorization.
122923125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121 (or 62 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 122923125 is about 11087.0701720518. The cubic root of 122923125 is about 497.2153536128.
The spelling of 122923125 in words is "one hundred twenty-two million, nine hundred twenty-three thousand, one hundred twenty-five".
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