125317628 has 12 divisors (see below), whose sum is σ = 221435760. Its totient is φ = 62050272.

The previous prime is 125317603. The next prime is 125317637. The reversal of 125317628 is 826713521.

It is a happy number.

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, 151673 + ... + 152496.

It is an arithmetic number, because the mean of its divisors is an integer number (18452980).

Almost surely, 2^125317628 is an apocalyptic number.

It is an amenable number.

125317628 is a deficient number, since it is larger than the sum of its proper divisors (96118132).

125317628 is a wasteful number, since it uses less digits than its factorization.

125317628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304276 (or 304274 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 125317628 is about 11194.5356312801. The cubic root of 125317628 is about 500.4231457943.

It can be divided in two parts, 1253 and 17628, that added together give a palindrome (18881).

The spelling of 125317628 in words is "one hundred twenty-five million, three hundred seventeen thousand, six hundred twenty-eight".