122897764 has 36 divisors (see below), whose sum is σ = 244056064. Its totient is φ = 54054000.

The previous prime is 122897729. The next prime is 122897771. The reversal of 122897764 is 467798221.

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, 10909 + ... + 19099.

Almost surely, 2^122897764 is an apocalyptic number.

It is an amenable number.

122897764 is a deficient number, since it is larger than the sum of its proper divisors (121158300).

122897764 is a wasteful number, since it uses less digits than its factorization.

122897764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248 (or 8235 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 122897764 is about 11085.9263934053. The cubic root of 122897764 is about 497.1811567767.

The spelling of 122897764 in words is "one hundred twenty-two million, eight hundred ninety-seven thousand, seven hundred sixty-four".