122057725117 has 12 divisors (see below), whose sum is σ = 127053602676. Its totient is φ = 117250461440.

The previous prime is 122057725091. The next prime is 122057725123. The reversal of 122057725117 is 711527750221.

It can be written as a sum of positive squares in 6 ways, for example, as 15772596921 + 106285128196 = 125589^2 + 326014^2 .

It is not a de Polignac number, because 122057725117 - 2²⁷ = 121923507389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122057725117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122057725147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202684 + ... + 534037.

It is an arithmetic number, because the mean of its divisors is an integer number (10587800223).

Almost surely, 2^122057725117 is an apocalyptic number.

It is an amenable number.

122057725117 is a deficient number, since it is larger than the sum of its proper divisors (4995877559).

122057725117 is an equidigital number, since it uses as much as digits as its factorization.

122057725117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736976 (or 736947 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 40.

The spelling of 122057725117 in words is "one hundred twenty-two billion, fifty-seven million, seven hundred twenty-five thousand, one hundred seventeen".