122508959 has 2 divisors, whose sum is σ = 122508960. Its totient is φ = 122508958.

The previous prime is 122508907. The next prime is 122508983. The reversal of 122508959 is 959805221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122508959 - 2⁸ = 122508703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122502959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61254479 + 61254480.

It is an arithmetic number, because the mean of its divisors is an integer number (61254480).

Almost surely, 2^122508959 is an apocalyptic number.

122508959 is a deficient number, since it is larger than the sum of its proper divisors (1).

122508959 is an equidigital number, since it uses as much as digits as its factorization.

122508959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 122508959 is about 11068.3765295548. The cubic root of 122508959 is about 496.6563012015.

The spelling of 122508959 in words is "one hundred twenty-two million, five hundred eight thousand, nine hundred fifty-nine".