122980169959 has 2 divisors, whose sum is σ = 122980169960. Its totient is φ = 122980169958.

The previous prime is 122980169933. The next prime is 122980170017. The reversal of 122980169959 is 959961089221.

It is a weak prime.

It is an emirp because it is prime and its reverse (959961089221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122980169959 - 2⁵ = 122980169927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122980169897 and 122980169906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122980169909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61490084979 + 61490084980.

It is an arithmetic number, because the mean of its divisors is an integer number (61490084980).

Almost surely, 2^122980169959 is an apocalyptic number.

122980169959 is a deficient number, since it is larger than the sum of its proper divisors (1).

122980169959 is an equidigital number, since it uses as much as digits as its factorization.

122980169959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 61.

The spelling of 122980169959 in words is "one hundred twenty-two billion, nine hundred eighty million, one hundred sixty-nine thousand, nine hundred fifty-nine".