125403504 has 40 divisors (see below), whose sum is σ = 324360192. Its totient is φ = 41749440.

The previous prime is 125403503. The next prime is 125403517. The reversal of 125403504 is 405304521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125403503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74577 + ... + 76239.

Almost surely, 2^125403504 is an apocalyptic number.

It is an amenable number.

125403504 is an abundant number, since it is smaller than the sum of its proper divisors (198956688).

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

125403504 is a wasteful number, since it uses less digits than its factorization.

125403504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 125403504 is about 11198.3705957608. The cubic root of 125403504 is about 500.5374274698.

The spelling of 125403504 in words is "one hundred twenty-five million, four hundred three thousand, five hundred four".