125287664 has 20 divisors (see below), whose sum is σ = 242989656. Its totient is φ = 62580672.

The previous prime is 125287663. The next prime is 125287697. The reversal of 125287664 is 466782521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125287663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15242 + ... + 21974.

Almost surely, 2^125287664 is an apocalyptic number.

It is an amenable number.

125287664 is a deficient number, since it is larger than the sum of its proper divisors (117701992).

125287664 is a wasteful number, since it uses less digits than its factorization.

125287664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904 (or 7898 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 125287664 is about 11193.1972197402. The cubic root of 125287664 is about 500.3832581513.

The spelling of 125287664 in words is "one hundred twenty-five million, two hundred eighty-seven thousand, six hundred sixty-four".