122452665917 has 2 divisors, whose sum is σ = 122452665918. Its totient is φ = 122452665916.

The previous prime is 122452665911. The next prime is 122452665953. The reversal of 122452665917 is 719566254221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94355866276 + 28096799641 = 307174^2 + 167621^2 .

It is a cyclic number.

It is not a de Polignac number, because 122452665917 - 2⁴ = 122452665901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122452665911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61226332958 + 61226332959.

It is an arithmetic number, because the mean of its divisors is an integer number (61226332959).

Almost surely, 2^122452665917 is an apocalyptic number.

It is an amenable number.

122452665917 is a deficient number, since it is larger than the sum of its proper divisors (1).

122452665917 is an equidigital number, since it uses as much as digits as its factorization.

122452665917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The spelling of 122452665917 in words is "one hundred twenty-two billion, four hundred fifty-two million, six hundred sixty-five thousand, nine hundred seventeen".