122544239 has 4 divisors (see below), whose sum is σ = 124621320. Its totient is φ = 120467160.

The previous prime is 122544199. The next prime is 122544241. The reversal of 122544239 is 932445221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122544239 - 2²⁴ = 105767023 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 (122541239) 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, 1038452 + ... + 1038569.

It is an arithmetic number, because the mean of its divisors is an integer number (31155330).

Almost surely, 2^122544239 is an apocalyptic number.

122544239 is a deficient number, since it is larger than the sum of its proper divisors (2077081).

122544239 is an equidigital number, since it uses as much as digits as its factorization.

122544239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077080.

The product of its digits is 17280, while the sum is 32.

The square root of 122544239 is about 11069.9701444945. The cubic root of 122544239 is about 496.7039721439.

The spelling of 122544239 in words is "one hundred twenty-two million, five hundred forty-four thousand, two hundred thirty-nine".