122968458881 has 2 divisors, whose sum is σ = 122968458882. Its totient is φ = 122968458880.

The previous prime is 122968458863. The next prime is 122968458917. The reversal of 122968458881 is 188854869221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87211539856 + 35756919025 = 295316^2 + 189095^2 .

It is a cyclic number.

It is not a de Polignac number, because 122968458881 - 2⁶ = 122968458817 is a prime.

It is a super-2 number, since 2×122968458881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122968458841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61484229440 + 61484229441.

It is an arithmetic number, because the mean of its divisors is an integer number (61484229441).

Almost surely, 2^122968458881 is an apocalyptic number.

It is an amenable number.

122968458881 is a deficient number, since it is larger than the sum of its proper divisors (1).

122968458881 is an equidigital number, since it uses as much as digits as its factorization.

122968458881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17694720, while the sum is 62.

The spelling of 122968458881 in words is "one hundred twenty-two billion, nine hundred sixty-eight million, four hundred fifty-eight thousand, eight hundred eighty-one".