125111122 has 16 divisors (see below), whose sum is σ = 199040832. Its totient is φ = 58853520.

The previous prime is 125111117. The next prime is 125111137. The reversal of 125111122 is 221111521.

It is a junction number, because it is equal to n+sod(n) for n = 125111096 and 125111105.

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, 19488 + ... + 25099.

It is an arithmetic number, because the mean of its divisors is an integer number (12440052).

Almost surely, 2^125111122 is an apocalyptic number.

125111122 is a deficient number, since it is larger than the sum of its proper divisors (73929710).

125111122 is a wasteful number, since it uses less digits than its factorization.

125111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44673.

The product of its digits is 40, while the sum is 16.

The square root of 125111122 is about 11185.3083104580. The cubic root of 125111122 is about 500.1481187840.

Adding to 125111122 its reverse (221111521), we get a palindrome (346222643).

The spelling of 125111122 in words is "one hundred twenty-five million, one hundred eleven thousand, one hundred twenty-two".