122057100173 has 2 divisors, whose sum is σ = 122057100174. Its totient is φ = 122057100172.

The previous prime is 122057100149. The next prime is 122057100199. The reversal of 122057100173 is 371001750221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120660359044 + 1396741129 = 347362^2 + 37373^2 .

It is a cyclic number.

It is not a de Polignac number, because 122057100173 - 2²⁶ = 121989991309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122057100133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61028550086 + 61028550087.

It is an arithmetic number, because the mean of its divisors is an integer number (61028550087).

Almost surely, 2^122057100173 is an apocalyptic number.

It is an amenable number.

122057100173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122057100173 is an equidigital number, since it uses as much as digits as its factorization.

122057100173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

Adding to 122057100173 its reverse (371001750221), we get a palindrome (493058850394).

The spelling of 122057100173 in words is "one hundred twenty-two billion, fifty-seven million, one hundred thousand, one hundred seventy-three".