122894556179 has 6 divisors (see below), whose sum is σ = 128470113156. Its totient is φ = 117551314100.

The previous prime is 122894556143. The next prime is 122894556209. The reversal of 122894556179 is 971655498221.

It is a de Polignac number, because none of the positive numbers 2^k-122894556179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122894556079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116156897 + ... + 116157954.

It is an arithmetic number, because the mean of its divisors is an integer number (21411685526).

Almost surely, 2^122894556179 is an apocalyptic number.

122894556179 is a deficient number, since it is larger than the sum of its proper divisors (5575556977).

122894556179 is an equidigital number, since it uses as much as digits as its factorization.

122894556179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232314897 (or 232314874 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 59.

The spelling of 122894556179 in words is "one hundred twenty-two billion, eight hundred ninety-four million, five hundred fifty-six thousand, one hundred seventy-nine".