125117916 has 48 divisors (see below), whose sum is σ = 363982080. Its totient is φ = 32497920.

The previous prime is 125117897. The next prime is 125117921. The reversal of 125117916 is 619711521.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66781 + ... + 68628.

It is an arithmetic number, because the mean of its divisors is an integer number (7582960).

Almost surely, 2^125117916 is an apocalyptic number.

It is an amenable number.

125117916 is an abundant number, since it is smaller than the sum of its proper divisors (238864164).

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

125117916 is a wasteful number, since it uses less digits than its factorization.

125117916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135434 (or 135432 counting only the distinct ones).

The product of its digits is 3780, while the sum is 33.

The square root of 125117916 is about 11185.6120082899. The cubic root of 125117916 is about 500.1571719221.

The spelling of 125117916 in words is "one hundred twenty-five million, one hundred seventeen thousand, nine hundred sixteen".