122680254409 has 2 divisors, whose sum is σ = 122680254410. Its totient is φ = 122680254408.

The previous prime is 122680254383. The next prime is 122680254421. The reversal of 122680254409 is 904452086221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81065478400 + 41614776009 = 284720^2 + 203997^2 .

It is a cyclic number.

It is not a de Polignac number, because 122680254409 - 2⁵ = 122680254377 is a prime.

It is not a weakly prime, because it can be changed into another prime (122680254449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61340127204 + 61340127205.

It is an arithmetic number, because the mean of its divisors is an integer number (61340127205).

Almost surely, 2^122680254409 is an apocalyptic number.

It is an amenable number.

122680254409 is a deficient number, since it is larger than the sum of its proper divisors (1).

122680254409 is an equidigital number, since it uses as much as digits as its factorization.

122680254409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 122680254409 in words is "one hundred twenty-two billion, six hundred eighty million, two hundred fifty-four thousand, four hundred nine".