125858128 has 80 divisors (see below), whose sum is σ = 285071040. Its totient is φ = 53222400.

The previous prime is 125858111. The next prime is 125858141. The reversal of 125858128 is 821858521.

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, 203676 + ... + 204292.

It is an arithmetic number, because the mean of its divisors is an integer number (3563388).

Almost surely, 2^125858128 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 125858128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142535520).

125858128 is an abundant number, since it is smaller than the sum of its proper divisors (159212912).

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

125858128 is a wasteful number, since it uses less digits than its factorization.

125858128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 710 counting only the distinct ones).

The product of its digits is 51200, while the sum is 40.

The square root of 125858128 is about 11218.6508992837. The cubic root of 125858128 is about 501.1415623539.

The spelling of 125858128 in words is "one hundred twenty-five million, eight hundred fifty-eight thousand, one hundred twenty-eight".