122253641 has 2 divisors, whose sum is σ = 122253642. Its totient is φ = 122253640.

The previous prime is 122253631. The next prime is 122253707. The reversal of 122253641 is 146352221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 4748041 = 10840^2 + 2179^2 .

It is a cyclic number.

It is not a de Polignac number, because 122253641 - 2¹⁴ = 122237257 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122253641.

It is not a weakly prime, because it can be changed into another prime (122253631) 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, 61126820 + 61126821.

It is an arithmetic number, because the mean of its divisors is an integer number (61126821).

Almost surely, 2^122253641 is an apocalyptic number.

It is an amenable number.

122253641 is a deficient number, since it is larger than the sum of its proper divisors (1).

122253641 is an equidigital number, since it uses as much as digits as its factorization.

122253641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 122253641 is about 11056.8368442335. The cubic root of 122253641 is about 496.3110380542.

The spelling of 122253641 in words is "one hundred twenty-two million, two hundred fifty-three thousand, six hundred forty-one".