125665008 has 180 divisors, whose sum is σ = 398677608. Its totient is φ = 34003200.

The previous prime is 125664997. The next prime is 125665019. The reversal of 125665008 is 800566521.

It is an interprime number because it is at equal distance from previous prime (125664997) and next prime (125665019).

It is a self number, because there is not a number n which added to its sum of digits gives 125665008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1244158 + ... + 1244258.

Almost surely, 2^125665008 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 125665008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199338804).

125665008 is an abundant number, since it is smaller than the sum of its proper divisors (273012600).

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

125665008 is a wasteful number, since it uses less digits than its factorization.

125665008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 125665008 is about 11210.0404994808. The cubic root of 125665008 is about 500.8851095709.

The spelling of 125665008 in words is "one hundred twenty-five million, six hundred sixty-five thousand, eight".