125239612 has 12 divisors (see below), whose sum is σ = 232061760. Its totient is φ = 58936256.

The previous prime is 125239591. The next prime is 125239637. The reversal of 125239612 is 216932521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920812 + ... + 920947.

It is an arithmetic number, because the mean of its divisors is an integer number (19338480).

Almost surely, 2^125239612 is an apocalyptic number.

It is an amenable number.

125239612 is a deficient number, since it is larger than the sum of its proper divisors (106822148).

125239612 is a wasteful number, since it uses less digits than its factorization.

125239612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841780 (or 1841778 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 125239612 is about 11191.0505315632. The cubic root of 125239612 is about 500.3192787454.

The spelling of 125239612 in words is "one hundred twenty-five million, two hundred thirty-nine thousand, six hundred twelve".