125412558042 has 16 divisors (see below), whose sum is σ = 252486211392. Its totient is φ = 41527336800.

The previous prime is 125412557971. The next prime is 125412558067. The reversal of 125412558042 is 240855214521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69211323 + ... + 69213134.

It is an arithmetic number, because the mean of its divisors is an integer number (15780388212).

Almost surely, 2^125412558042 is an apocalyptic number.

125412558042 is an abundant number, since it is smaller than the sum of its proper divisors (127073653350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125412558042 is a wasteful number, since it uses less digits than its factorization.

125412558042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138424613.

The product of its (nonzero) digits is 128000, while the sum is 39.

The spelling of 125412558042 in words is "one hundred twenty-five billion, four hundred twelve million, five hundred fifty-eight thousand, forty-two".