122000625689 has 2 divisors, whose sum is σ = 122000625690. Its totient is φ = 122000625688.

The previous prime is 122000625653. The next prime is 122000625727. The reversal of 122000625689 is 986526000221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120327815689 + 1672810000 = 346883^2 + 40900^2 .

It is a cyclic number.

It is not a de Polignac number, because 122000625689 - 2³⁶ = 53281148953 is a prime.

It is not a weakly prime, because it can be changed into another prime (122000685689) 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, 61000312844 + 61000312845.

It is an arithmetic number, because the mean of its divisors is an integer number (61000312845).

Almost surely, 2^122000625689 is an apocalyptic number.

It is an amenable number.

122000625689 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000625689 is an equidigital number, since it uses as much as digits as its factorization.

122000625689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 122000625689 in words is "one hundred twenty-two billion, six hundred twenty-five thousand, six hundred eighty-nine".