122961592609 has 2 divisors, whose sum is σ = 122961592610. Its totient is φ = 122961592608.

The previous prime is 122961592543. The next prime is 122961592627. The reversal of 122961592609 is 906295169221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65218944400 + 57742648209 = 255380^2 + 240297^2 .

It is a cyclic number.

It is not a de Polignac number, because 122961592609 - 2¹⁵ = 122961559841 is a prime.

It is not a weakly prime, because it can be changed into another prime (122961598609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61480796304 + 61480796305.

It is an arithmetic number, because the mean of its divisors is an integer number (61480796305).

Almost surely, 2^122961592609 is an apocalyptic number.

It is an amenable number.

122961592609 is a deficient number, since it is larger than the sum of its proper divisors (1).

122961592609 is an equidigital number, since it uses as much as digits as its factorization.

122961592609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 122961592609 in words is "one hundred twenty-two billion, nine hundred sixty-one million, five hundred ninety-two thousand, six hundred nine".