125609838938 has 8 divisors (see below), whose sum is σ = 189662538720. Its totient is φ = 62388992700.

The previous prime is 125609838929. The next prime is 125609838947. The reversal of 125609838938 is 839838906521.

It is an interprime number because it is at equal distance from previous prime (125609838929) and next prime (125609838947).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207963008 + ... + 207963611.

It is an arithmetic number, because the mean of its divisors is an integer number (23707817340).

Almost surely, 2^125609838938 is an apocalyptic number.

125609838938 is a deficient number, since it is larger than the sum of its proper divisors (64052699782).

125609838938 is a wasteful number, since it uses less digits than its factorization.

125609838938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415926772.

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 125609838938 in words is "one hundred twenty-five billion, six hundred nine million, eight hundred thirty-eight thousand, nine hundred thirty-eight".