122413289 has 2 divisors, whose sum is σ = 122413290. Its totient is φ = 122413288.

The previous prime is 122413283. The next prime is 122413393. The reversal of 122413289 is 982314221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102010000 + 20403289 = 10100^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 122413289 - 2²⁰ = 121364713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122413283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61206644 + 61206645.

It is an arithmetic number, because the mean of its divisors is an integer number (61206645).

Almost surely, 2^122413289 is an apocalyptic number.

It is an amenable number.

122413289 is a deficient number, since it is larger than the sum of its proper divisors (1).

122413289 is an equidigital number, since it uses as much as digits as its factorization.

122413289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 122413289 is about 11064.0539134623. The cubic root of 122413289 is about 496.5269841768.

It can be divided in two parts, 1224132 and 89, that added together give a palindrome (1224221).

The spelling of 122413289 in words is "one hundred twenty-two million, four hundred thirteen thousand, two hundred eighty-nine".