122879197736065 has 32 divisors (see below), whose sum is σ = 157584652992000. Its totient is φ = 91714263683328.

The previous prime is 122879197736051. The next prime is 122879197736077. The reversal of 122879197736065 is 560637791978221.

It is a cyclic number.

It is not a de Polignac number, because 122879197736065 - 2²³ = 122879189347457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18125514 + ... + 23964403.

It is an arithmetic number, because the mean of its divisors is an integer number (4924520406000).

Almost surely, 2^{122879197736065} is an apocalyptic number.

It is an amenable number.

122879197736065 is a deficient number, since it is larger than the sum of its proper divisors (34705455255935).

122879197736065 is a wasteful number, since it uses less digits than its factorization.

122879197736065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42090409.

The product of its (nonzero) digits is 480090240, while the sum is 73.

The spelling of 122879197736065 in words is "one hundred twenty-two trillion, eight hundred seventy-nine billion, one hundred ninety-seven million, seven hundred thirty-six thousand, sixty-five".