122921704 has 24 divisors (see below), whose sum is σ = 232279110. Its totient is φ = 60983616.

The previous prime is 122921699. The next prime is 122921717. The reversal of 122921704 is 407129221.

It can be written as a sum of positive squares in 3 ways, for example, as 103999204 + 18922500 = 10198^2 + 4350^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419382 + ... + 419674.

Almost surely, 2^122921704 is an apocalyptic number.

It is an amenable number.

122921704 is a deficient number, since it is larger than the sum of its proper divisors (109357406).

122921704 is an equidigital number, since it uses as much as digits as its factorization.

122921704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 122921704 is about 11087.0060882097. The cubic root of 122921704 is about 497.2134376572.

The spelling of 122921704 in words is "one hundred twenty-two million, nine hundred twenty-one thousand, seven hundred four".