122099938957 has 2 divisors, whose sum is σ = 122099938958. Its totient is φ = 122099938956.

The previous prime is 122099938943. The next prime is 122099939053. The reversal of 122099938957 is 759839990221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89365721481 + 32734217476 = 298941^2 + 180926^2 .

It is a cyclic number.

It is not a de Polignac number, because 122099938957 - 2¹¹ = 122099936909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122099938907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61049969478 + 61049969479.

It is an arithmetic number, because the mean of its divisors is an integer number (61049969479).

Almost surely, 2^122099938957 is an apocalyptic number.

It is an amenable number.

122099938957 is a deficient number, since it is larger than the sum of its proper divisors (1).

122099938957 is an equidigital number, since it uses as much as digits as its factorization.

122099938957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 64.

The spelling of 122099938957 in words is "one hundred twenty-two billion, ninety-nine million, nine hundred thirty-eight thousand, nine hundred fifty-seven".