122310839 has 4 divisors (see below), whose sum is σ = 139783824. Its totient is φ = 104837856.

The previous prime is 122310833. The next prime is 122310857. The reversal of 122310839 is 938013221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938013221 = 31 ⋅30258491.

It is a cyclic number.

It is not a de Polignac number, because 122310839 - 2¹⁶ = 122245303 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 (122310833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8736482 + ... + 8736495.

It is an arithmetic number, because the mean of its divisors is an integer number (34945956).

Almost surely, 2^122310839 is an apocalyptic number.

122310839 is a deficient number, since it is larger than the sum of its proper divisors (17472985).

122310839 is an equidigital number, since it uses as much as digits as its factorization.

122310839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17472984.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 122310839 is about 11059.4230862193. The cubic root of 122310839 is about 496.3884279038.

The spelling of 122310839 in words is "one hundred twenty-two million, three hundred ten thousand, eight hundred thirty-nine".