125311772 has 6 divisors (see below), whose sum is σ = 219295608. Its totient is φ = 62655884.

The previous prime is 125311723. The next prime is 125311787. The reversal of 125311772 is 277113521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15663968 + ... + 15663975.

It is an arithmetic number, because the mean of its divisors is an integer number (36549268).

Almost surely, 2^125311772 is an apocalyptic number.

It is an amenable number.

125311772 is a deficient number, since it is larger than the sum of its proper divisors (93983836).

125311772 is a wasteful number, since it uses less digits than its factorization.

125311772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31327947 (or 31327945 counting only the distinct ones).

The product of its digits is 2940, while the sum is 29.

The square root of 125311772 is about 11194.2740720424. The cubic root of 125311772 is about 500.4153508718.

The spelling of 125311772 in words is "one hundred twenty-five million, three hundred eleven thousand, seven hundred seventy-two".