122343439 has 2 divisors, whose sum is σ = 122343440. Its totient is φ = 122343438.

The previous prime is 122343359. The next prime is 122343443. The reversal of 122343439 is 934343221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122343439 - 2⁷ = 122343311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122343439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122343449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171719 + 61171720.

It is an arithmetic number, because the mean of its divisors is an integer number (61171720).

Almost surely, 2^122343439 is an apocalyptic number.

122343439 is a deficient number, since it is larger than the sum of its proper divisors (1).

122343439 is an equidigital number, since it uses as much as digits as its factorization.

122343439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 122343439 is about 11060.8968442889. The cubic root of 122343439 is about 496.4325254545.

The spelling of 122343439 in words is "one hundred twenty-two million, three hundred forty-three thousand, four hundred thirty-nine".