122311339 has 2 divisors, whose sum is σ = 122311340. Its totient is φ = 122311338.

The previous prime is 122311331. The next prime is 122311351. The reversal of 122311339 is 933113221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122311339 - 2³ = 122311331 is a prime.

It is not a weakly prime, because it can be changed into another prime (122311331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155669 + 61155670.

It is an arithmetic number, because the mean of its divisors is an integer number (61155670).

Almost surely, 2^122311339 is an apocalyptic number.

122311339 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311339 is an equidigital number, since it uses as much as digits as its factorization.

122311339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 25.

The square root of 122311339 is about 11059.4456913536. The cubic root of 122311339 is about 496.3891043058.

The spelling of 122311339 in words is "one hundred twenty-two million, three hundred eleven thousand, three hundred thirty-nine".