125422121534 has 16 divisors (see below), whose sum is σ = 193081553280. Its totient is φ = 61082887320.

The previous prime is 125422121509. The next prime is 125422121543. The reversal of 125422121534 is 435121224521.

It is a self number, because there is not a number n which added to its sum of digits gives 125422121534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5309024 + ... + 5332595.

It is an arithmetic number, because the mean of its divisors is an integer number (12067597080).

Almost surely, 2^125422121534 is an apocalyptic number.

125422121534 is a deficient number, since it is larger than the sum of its proper divisors (67659431746).

125422121534 is a wasteful number, since it uses less digits than its factorization.

125422121534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10641775.

The product of its digits is 19200, while the sum is 32.

The spelling of 125422121534 in words is "one hundred twenty-five billion, four hundred twenty-two million, one hundred twenty-one thousand, five hundred thirty-four".