122057520629171 has 2 divisors, whose sum is σ = 122057520629172. Its totient is φ = 122057520629170.

The previous prime is 122057520629053. The next prime is 122057520629311. The reversal of 122057520629171 is 171926025750221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122057520629171 is a prime.

It is a super-2 number, since 2×122057520629171² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122057520628171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61028760314585 + 61028760314586.

It is an arithmetic number, because the mean of its divisors is an integer number (61028760314586).

Almost surely, 2^{122057520629171} is an apocalyptic number.

122057520629171 is a deficient number, since it is larger than the sum of its proper divisors (1).

122057520629171 is an equidigital number, since it uses as much as digits as its factorization.

122057520629171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 122057520629171 in words is "one hundred twenty-two trillion, fifty-seven billion, five hundred twenty million, six hundred twenty-nine thousand, one hundred seventy-one".