122985122 has 32 divisors (see below), whose sum is σ = 209018880. Its totient is φ = 53876160.

The previous prime is 122985113. The next prime is 122985127. The reversal of 122985122 is 221589221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122985127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41279 + ... + 44157.

It is an arithmetic number, because the mean of its divisors is an integer number (6531840).

Almost surely, 2^122985122 is an apocalyptic number.

122985122 is a deficient number, since it is larger than the sum of its proper divisors (86033758).

122985122 is a wasteful number, since it uses less digits than its factorization.

122985122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978.

The product of its digits is 5760, while the sum is 32.

The square root of 122985122 is about 11089.8657340835. The cubic root of 122985122 is about 497.2989307247.

The spelling of 122985122 in words is "one hundred twenty-two million, nine hundred eighty-five thousand, one hundred twenty-two".