125015808 has 144 divisors (see below), whose sum is σ = 353203200. Its totient is φ = 39198720.

The previous prime is 125015797. The next prime is 125015809. The reversal of 125015808 is 808510521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125015809) 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 15 ways as a sum of consecutive naturals, for example, 1404628 + ... + 1404716.

It is an arithmetic number, because the mean of its divisors is an integer number (2452800).

Almost surely, 2^125015808 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 125015808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176601600).

125015808 is an abundant number, since it is smaller than the sum of its proper divisors (228187392).

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

125015808 is an equidigital number, since it uses as much as digits as its factorization.

125015808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 125015808 is about 11181.0468204010. The cubic root of 125015808 is about 500.0210764449.

The spelling of 125015808 in words is "one hundred twenty-five million, fifteen thousand, eight hundred eight".