125817432 has 32 divisors (see below), whose sum is σ = 338740080. Its totient is φ = 38712960.

The previous prime is 125817421. The next prime is 125817443. The reversal of 125817432 is 234718521.

It is an interprime number because it is at equal distance from previous prime (125817421) and next prime (125817443).

It is a junction number, because it is equal to n+sod(n) for n = 125817393 and 125817402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201319 + ... + 201942.

Almost surely, 2^125817432 is an apocalyptic number.

125817432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125817432 is an abundant number, since it is smaller than the sum of its proper divisors (212922648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125817432 is a wasteful number, since it uses less digits than its factorization.

125817432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403283 (or 403279 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 125817432 is about 11216.8369873151. The cubic root of 125817432 is about 501.0875421225.

The spelling of 125817432 in words is "one hundred twenty-five million, eight hundred seventeen thousand, four hundred thirty-two".