125664998 has 8 divisors (see below), whose sum is σ = 189698592. Its totient is φ = 62432136.

The previous prime is 125664997. The next prime is 125665019. The reversal of 125664998 is 899466521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125664991) 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, 199790 + ... + 200417.

It is an arithmetic number, because the mean of its divisors is an integer number (23712324).

Almost surely, 2^125664998 is an apocalyptic number.

125664998 is a deficient number, since it is larger than the sum of its proper divisors (64033594).

125664998 is a wasteful number, since it uses less digits than its factorization.

125664998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400366.

The product of its digits is 933120, while the sum is 50.

The square root of 125664998 is about 11210.0400534521. The cubic root of 125664998 is about 500.8850962846.

The spelling of 125664998 in words is "one hundred twenty-five million, six hundred sixty-four thousand, nine hundred ninety-eight".