125871504 has 80 divisors (see below), whose sum is σ = 373428480. Its totient is φ = 36132480.

The previous prime is 125871497. The next prime is 125871527. The reversal of 125871504 is 405178521.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 3759 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (4667856).

Almost surely, 2^125871504 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 125871504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186714240).

125871504 is an abundant number, since it is smaller than the sum of its proper divisors (247556976).

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

125871504 is a wasteful number, since it uses less digits than its factorization.

125871504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12588 (or 12582 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 125871504 is about 11219.2470335580. The cubic root of 125871504 is about 501.1593152322.

The spelling of 125871504 in words is "one hundred twenty-five million, eight hundred seventy-one thousand, five hundred four".