122125516 has 12 divisors (see below), whose sum is σ = 217342440. Its totient is φ = 60027680.

The previous prime is 122125513. The next prime is 122125517. The reversal of 122125516 is 615521221.

It is not an unprimeable number, because it can be changed into a prime (122125513) 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, 258505 + ... + 258976.

It is an arithmetic number, because the mean of its divisors is an integer number (18111870).

Almost surely, 2^122125516 is an apocalyptic number.

It is an amenable number.

122125516 is a deficient number, since it is larger than the sum of its proper divisors (95216924).

122125516 is a wasteful number, since it uses less digits than its factorization.

122125516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517544 (or 517542 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 122125516 is about 11051.0413988909. The cubic root of 122125516 is about 496.1375951509.

Adding to 122125516 its reverse (615521221), we get a palindrome (737646737).

The spelling of 122125516 in words is "one hundred twenty-two million, one hundred twenty-five thousand, five hundred sixteen".