122551173713 has 2 divisors, whose sum is σ = 122551173714. Its totient is φ = 122551173712.

The previous prime is 122551173643. The next prime is 122551173743. The reversal of 122551173713 is 317371155221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88712835409 + 33838338304 = 297847^2 + 183952^2 .

It is a cyclic number.

It is not a de Polignac number, because 122551173713 - 2²² = 122546979409 is a prime.

It is not a weakly prime, because it can be changed into another prime (122551173743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61275586856 + 61275586857.

It is an arithmetic number, because the mean of its divisors is an integer number (61275586857).

Almost surely, 2^122551173713 is an apocalyptic number.

It is an amenable number.

122551173713 is a deficient number, since it is larger than the sum of its proper divisors (1).

122551173713 is an equidigital number, since it uses as much as digits as its factorization.

122551173713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 38.

The spelling of 122551173713 in words is "one hundred twenty-two billion, five hundred fifty-one million, one hundred seventy-three thousand, seven hundred thirteen".