125389992 has 64 divisors (see below), whose sum is σ = 385822080. Its totient is φ = 33069312.

The previous prime is 125389963. The next prime is 125390017. The reversal of 125389992 is 299983521.

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, 26523 + ... + 30890.

It is an arithmetic number, because the mean of its divisors is an integer number (6028470).

Almost surely, 2^125389992 is an apocalyptic number.

125389992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125389992 is an abundant number, since it is smaller than the sum of its proper divisors (260432088).

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

125389992 is a wasteful number, since it uses less digits than its factorization.

125389992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57442 (or 57438 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 125389992 is about 11197.7672774531. The cubic root of 125389992 is about 500.5194494909.

The spelling of 125389992 in words is "one hundred twenty-five million, three hundred eighty-nine thousand, nine hundred ninety-two".