122689979053 has 2 divisors, whose sum is σ = 122689979054. Its totient is φ = 122689979052.

The previous prime is 122689979021. The next prime is 122689979063. The reversal of 122689979053 is 350979986221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99298723689 + 23391255364 = 315117^2 + 152942^2 .

It is a cyclic number.

It is not a de Polignac number, because 122689979053 - 2⁵ = 122689979021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122689978982 and 122689979000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122689979063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61344989526 + 61344989527.

It is an arithmetic number, because the mean of its divisors is an integer number (61344989527).

Almost surely, 2^122689979053 is an apocalyptic number.

It is an amenable number.

122689979053 is a deficient number, since it is larger than the sum of its proper divisors (1).

122689979053 is an equidigital number, since it uses as much as digits as its factorization.

122689979053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 122689979053 in words is "one hundred twenty-two billion, six hundred eighty-nine million, nine hundred seventy-nine thousand, fifty-three".