122793885979 has 2 divisors, whose sum is σ = 122793885980. Its totient is φ = 122793885978.

The previous prime is 122793885923. The next prime is 122793885997. The reversal of 122793885979 is 979588397221.

Together with next prime (122793885997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122793885979 - 2¹⁵ = 122793853211 is a prime.

It is not a weakly prime, because it can be changed into another prime (122793885079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61396942989 + 61396942990.

It is an arithmetic number, because the mean of its divisors is an integer number (61396942990).

Almost surely, 2^122793885979 is an apocalyptic number.

122793885979 is a deficient number, since it is larger than the sum of its proper divisors (1).

122793885979 is an equidigital number, since it uses as much as digits as its factorization.

122793885979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 70.

The spelling of 122793885979 in words is "one hundred twenty-two billion, seven hundred ninety-three million, eight hundred eighty-five thousand, nine hundred seventy-nine".