122439317 has 36 divisors (see below), whose sum is σ = 167018976. Its totient is φ = 87160320.

The previous prime is 122439301. The next prime is 122439319. The reversal of 122439317 is 713934221.

It is not a de Polignac number, because 122439317 - 2⁴ = 122439301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122439319) 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 in 35 ways as a sum of consecutive naturals, for example, 1262213 + ... + 1262309.

It is an arithmetic number, because the mean of its divisors is an integer number (4639416).

Almost surely, 2^122439317 is an apocalyptic number.

It is an amenable number.

122439317 is a deficient number, since it is larger than the sum of its proper divisors (44579659).

122439317 is an equidigital number, since it uses as much as digits as its factorization.

122439317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 128 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 122439317 is about 11065.2300925015. The cubic root of 122439317 is about 496.5621728631.

The spelling of 122439317 in words is "one hundred twenty-two million, four hundred thirty-nine thousand, three hundred seventeen".