122769625513 has 2 divisors, whose sum is σ = 122769625514. Its totient is φ = 122769625512.

The previous prime is 122769625501. The next prime is 122769625597. The reversal of 122769625513 is 315526967221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118464690969 + 4304934544 = 344187^2 + 65612^2 .

It is a cyclic number.

It is not a de Polignac number, because 122769625513 - 2⁵ = 122769625481 is a prime.

It is not a weakly prime, because it can be changed into another prime (122769625613) 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, 61384812756 + 61384812757.

It is an arithmetic number, because the mean of its divisors is an integer number (61384812757).

Almost surely, 2^122769625513 is an apocalyptic number.

It is an amenable number.

122769625513 is a deficient number, since it is larger than the sum of its proper divisors (1).

122769625513 is an equidigital number, since it uses as much as digits as its factorization.

122769625513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The spelling of 122769625513 in words is "one hundred twenty-two billion, seven hundred sixty-nine million, six hundred twenty-five thousand, five hundred thirteen".