125807028 has 12 divisors (see below), whose sum is σ = 293549760. Its totient is φ = 41935672.

The previous prime is 125807023. The next prime is 125807051. The reversal of 125807028 is 820708521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 125807028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125807023) 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, 5241948 + ... + 5241971.

It is an arithmetic number, because the mean of its divisors is an integer number (24462480).

Almost surely, 2^125807028 is an apocalyptic number.

It is an amenable number.

125807028 is an abundant number, since it is smaller than the sum of its proper divisors (167742732).

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

125807028 is a wasteful number, since it uses less digits than its factorization.

125807028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483926 (or 10483924 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 125807028 is about 11216.3732106238. The cubic root of 125807028 is about 501.0737298910.

The spelling of 125807028 in words is "one hundred twenty-five million, eight hundred seven thousand, twenty-eight".