122118926259397 has 2 divisors, whose sum is σ = 122118926259398. Its totient is φ = 122118926259396.

The previous prime is 122118926259371. The next prime is 122118926259509. The reversal of 122118926259397 is 793952629811221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119227858560801 + 2891067698596 = 10919151^2 + 1700314^2 .

It is an emirp because it is prime and its reverse (793952629811221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122118926259397 - 2³⁹ = 121569170445509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122118926259307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61059463129698 + 61059463129699.

It is an arithmetic number, because the mean of its divisors is an integer number (61059463129699).

Almost surely, 2^{122118926259397} is an apocalyptic number.

It is an amenable number.

122118926259397 is a deficient number, since it is larger than the sum of its proper divisors (1).

122118926259397 is an equidigital number, since it uses as much as digits as its factorization.

122118926259397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 67.

The spelling of 122118926259397 in words is "one hundred twenty-two trillion, one hundred eighteen billion, nine hundred twenty-six million, two hundred fifty-nine thousand, three hundred ninety-seven".