122664774 has 16 divisors (see below), whose sum is σ = 245449008. Its totient is φ = 40868352.

The previous prime is 122664769. The next prime is 122664781. The reversal of 122664774 is 477466221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13854 + ... + 20910.

It is an arithmetic number, because the mean of its divisors is an integer number (15340563).

Almost surely, 2^122664774 is an apocalyptic number.

122664774 is an abundant number, since it is smaller than the sum of its proper divisors (122784234).

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

122664774 is a wasteful number, since it uses less digits than its factorization.

122664774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959.

The product of its digits is 112896, while the sum is 39.

The square root of 122664774 is about 11075.4130397020. The cubic root of 122664774 is about 496.8667721117.

The spelling of 122664774 in words is "one hundred twenty-two million, six hundred sixty-four thousand, seven hundred seventy-four".