125495904 has 96 divisors (see below), whose sum is σ = 352066176. Its totient is φ = 39004160.

The previous prime is 125495899. The next prime is 125495933. The reversal of 125495904 is 409594521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213499 + ... + 214085.

It is an arithmetic number, because the mean of its divisors is an integer number (3667356).

Almost surely, 2^125495904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125495904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176033088).

125495904 is an abundant number, since it is smaller than the sum of its proper divisors (226570272).

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

125495904 is a wasteful number, since it uses less digits than its factorization.

125495904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 125495904 is about 11202.4954362856. The cubic root of 125495904 is about 500.6603328704.

The spelling of 125495904 in words is "one hundred twenty-five million, four hundred ninety-five thousand, nine hundred four".