122942528079 has 16 divisors (see below), whose sum is σ = 187365975552. Its totient is φ = 70243505568.

The previous prime is 122942528069. The next prime is 122942528099. The reversal of 122942528079 is 970825249221.

It is not a de Polignac number, because 122942528079 - 2⁴ = 122942528063 is a prime.

It is a super-2 number, since 2×122942528079² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122942528069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227499 + ... + 545564.

It is an arithmetic number, because the mean of its divisors is an integer number (11710373472).

Almost surely, 2^122942528079 is an apocalyptic number.

122942528079 is a deficient number, since it is larger than the sum of its proper divisors (64423447473).

122942528079 is an equidigital number, since it uses as much as digits as its factorization.

122942528079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780646.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 122942528079 in words is "one hundred twenty-two billion, nine hundred forty-two million, five hundred twenty-eight thousand, seventy-nine".