122773122 has 24 divisors (see below), whose sum is σ = 271029564. Its totient is φ = 40151904.

The previous prime is 122773109. The next prime is 122773139. The reversal of 122773122 is 221377221.

It can be written as a sum of positive squares in 2 ways, for example, as 100220121 + 22553001 = 10011^2 + 4749^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 63393 + ... + 65300.

Almost surely, 2^122773122 is an apocalyptic number.

122773122 is an abundant number, since it is smaller than the sum of its proper divisors (148256442).

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

122773122 is a wasteful number, since it uses less digits than its factorization.

122773122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128754 (or 128751 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 122773122 is about 11080.3033351980. The cubic root of 122773122 is about 497.0130207769.

The spelling of 122773122 in words is "one hundred twenty-two million, seven hundred seventy-three thousand, one hundred twenty-two".