125223664 has 20 divisors (see below), whose sum is σ = 242796960. Its totient is φ = 62566400.

The previous prime is 125223629. The next prime is 125223691. The reversal of 125223664 is 466322521.

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, 35952 + ... + 39280.

It is an arithmetic number, because the mean of its divisors is an integer number (12139848).

Almost surely, 2^125223664 is an apocalyptic number.

It is an amenable number.

125223664 is a deficient number, since it is larger than the sum of its proper divisors (117573296).

125223664 is a wasteful number, since it uses less digits than its factorization.

125223664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5682 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 125223664 is about 11190.3379752356. The cubic root of 125223664 is about 500.2980409745.

The spelling of 125223664 in words is "one hundred twenty-five million, two hundred twenty-three thousand, six hundred sixty-four".