122471869979 has 2 divisors, whose sum is σ = 122471869980. Its totient is φ = 122471869978.

The previous prime is 122471869969. The next prime is 122471870009. The reversal of 122471869979 is 979968174221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122471869979 - 2⁴ = 122471869963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122471869969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61235934989 + 61235934990.

It is an arithmetic number, because the mean of its divisors is an integer number (61235934990).

Almost surely, 2^122471869979 is an apocalyptic number.

122471869979 is a deficient number, since it is larger than the sum of its proper divisors (1).

122471869979 is an equidigital number, since it uses as much as digits as its factorization.

122471869979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 65.

The spelling of 122471869979 in words is "one hundred twenty-two billion, four hundred seventy-one million, eight hundred sixty-nine thousand, nine hundred seventy-nine".