125387504 has 20 divisors (see below), whose sum is σ = 265023960. Its totient is φ = 56994240.

The previous prime is 125387497. The next prime is 125387573. The reversal of 125387504 is 405783521.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 356039 + ... + 356390.

It is an arithmetic number, because the mean of its divisors is an integer number (13251198).

Almost surely, 2^125387504 is an apocalyptic number.

It is an amenable number.

125387504 is an abundant number, since it is smaller than the sum of its proper divisors (139636456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125387504 is a wasteful number, since it uses less digits than its factorization.

125387504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712448 (or 712442 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 125387504 is about 11197.6561833269. The cubic root of 125387504 is about 500.5161390177.

The spelling of 125387504 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, five hundred four".