125191696438 has 8 divisors (see below), whose sum is σ = 187794954360. Its totient is φ = 62593378320.

The previous prime is 125191696433. The next prime is 125191696439. The reversal of 125191696438 is 834696191521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125191696433) 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, 1170928 + ... + 1273363.

It is an arithmetic number, because the mean of its divisors is an integer number (23474369295).

Almost surely, 2^125191696438 is an apocalyptic number.

125191696438 is a deficient number, since it is larger than the sum of its proper divisors (62603257922).

125191696438 is a wasteful number, since it uses less digits than its factorization.

125191696438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469902.

The product of its digits is 2799360, while the sum is 55.

The spelling of 125191696438 in words is "one hundred twenty-five billion, one hundred ninety-one million, six hundred ninety-six thousand, four hundred thirty-eight".