122249528164 has 9 divisors (see below), whose sum is σ = 213937898041. Its totient is φ = 61124414440.

The previous prime is 122249528161. The next prime is 122249528197. The reversal of 122249528164 is 461825942221.

The square root of 122249528164 is 349642.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 504361764 + 121745166400 = 22458^2 + 348920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122249528161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 611874 + ... + 786694.

Almost surely, 2^122249528164 is an apocalyptic number.

122249528164 is the 349642-nd square number.

It is an amenable number.

122249528164 is a deficient number, since it is larger than the sum of its proper divisors (91688369877).

122249528164 is an frugal number, since it uses more digits than its factorization.

122249528164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349646 (or 174823 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 122249528164 in words is "one hundred twenty-two billion, two hundred forty-nine million, five hundred twenty-eight thousand, one hundred sixty-four".