122342449 has 2 divisors, whose sum is σ = 122342450. Its totient is φ = 122342448.

The previous prime is 122342447. The next prime is 122342453. The reversal of 122342449 is 944243221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81126049 + 41216400 = 9007^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 122342449 - 2¹ = 122342447 is a prime.

Together with 122342447, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122342449.

It is not a weakly prime, because it can be changed into another prime (122342447) 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 as a sum of consecutive naturals, namely, 61171224 + 61171225.

It is an arithmetic number, because the mean of its divisors is an integer number (61171225).

Almost surely, 2^122342449 is an apocalyptic number.

It is an amenable number.

122342449 is a deficient number, since it is larger than the sum of its proper divisors (1).

122342449 is an equidigital number, since it uses as much as digits as its factorization.

122342449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 122342449 is about 11060.8520919502. The cubic root of 122342449 is about 496.4311864111.

The spelling of 122342449 in words is "one hundred twenty-two million, three hundred forty-two thousand, four hundred forty-nine".