122969108957 has 2 divisors, whose sum is σ = 122969108958. Its totient is φ = 122969108956.

The previous prime is 122969108903. The next prime is 122969108959. The reversal of 122969108957 is 759801969221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87418383556 + 35550725401 = 295666^2 + 188549^2 .

It is a cyclic number.

It is not a de Polignac number, because 122969108957 - 2²⁰ = 122968060381 is a prime.

Together with 122969108959, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122969108896 and 122969108905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122969108959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61484554478 + 61484554479.

It is an arithmetic number, because the mean of its divisors is an integer number (61484554479).

Almost surely, 2^122969108957 is an apocalyptic number.

It is an amenable number.

122969108957 is a deficient number, since it is larger than the sum of its proper divisors (1).

122969108957 is an equidigital number, since it uses as much as digits as its factorization.

122969108957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 122969108957 in words is "one hundred twenty-two billion, nine hundred sixty-nine million, one hundred eight thousand, nine hundred fifty-seven".