122223459961 has 2 divisors, whose sum is σ = 122223459962. Its totient is φ = 122223459960.

The previous prime is 122223459931. The next prime is 122223459979. The reversal of 122223459961 is 169954322221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66638324736 + 55585135225 = 258144^2 + 235765^2 .

It is a cyclic number.

It is not a de Polignac number, because 122223459961 - 2⁵ = 122223459929 is a prime.

It is not a weakly prime, because it can be changed into another prime (122223459931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111729980 + 61111729981.

It is an arithmetic number, because the mean of its divisors is an integer number (61111729981).

Almost surely, 2^122223459961 is an apocalyptic number.

It is an amenable number.

122223459961 is a deficient number, since it is larger than the sum of its proper divisors (1).

122223459961 is an equidigital number, since it uses as much as digits as its factorization.

122223459961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The spelling of 122223459961 in words is "one hundred twenty-two billion, two hundred twenty-three million, four hundred fifty-nine thousand, nine hundred sixty-one".