122534459 has 2 divisors, whose sum is σ = 122534460. Its totient is φ = 122534458.

The previous prime is 122534443. The next prime is 122534479. The reversal of 122534459 is 954435221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122534459 - 2⁴ = 122534443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122534479) 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, 61267229 + 61267230.

It is an arithmetic number, because the mean of its divisors is an integer number (61267230).

Almost surely, 2^122534459 is an apocalyptic number.

122534459 is a deficient number, since it is larger than the sum of its proper divisors (1).

122534459 is an equidigital number, since it uses as much as digits as its factorization.

122534459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 122534459 is about 11069.5284000720. The cubic root of 122534459 is about 496.6907581565.

The spelling of 122534459 in words is "one hundred twenty-two million, five hundred thirty-four thousand, four hundred fifty-nine".