125442034122 has 16 divisors (see below), whose sum is σ = 254628607392. Its totient is φ = 41189921520.

The previous prime is 125442034051. The next prime is 125442034141. The reversal of 125442034122 is 221430244521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125442034122.

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, 156022029 + ... + 156022832.

It is an arithmetic number, because the mean of its divisors is an integer number (15914287962).

Almost surely, 2^125442034122 is an apocalyptic number.

125442034122 is an abundant number, since it is smaller than the sum of its proper divisors (129186573270).

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

125442034122 is a wasteful number, since it uses less digits than its factorization.

125442034122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312044933.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 125442034122 its reverse (221430244521), we get a palindrome (346872278643).

The spelling of 125442034122 in words is "one hundred twenty-five billion, four hundred forty-two million, thirty-four thousand, one hundred twenty-two".