125629642238 has 16 divisors (see below), whose sum is σ = 189771496704. Its totient is φ = 62373659040.

The previous prime is 125629642231. The next prime is 125629642249. The reversal of 125629642238 is 832246926521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125629642231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82445 + ... + 507992.

It is an arithmetic number, because the mean of its divisors is an integer number (11860718544).

Almost surely, 2^125629642238 is an apocalyptic number.

125629642238 is a deficient number, since it is larger than the sum of its proper divisors (64141854466).

125629642238 is a wasteful number, since it uses less digits than its factorization.

125629642238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591187.

The product of its digits is 2488320, while the sum is 50.

The spelling of 125629642238 in words is "one hundred twenty-five billion, six hundred twenty-nine million, six hundred forty-two thousand, two hundred thirty-eight".