122401244263 has 2 divisors, whose sum is σ = 122401244264. Its totient is φ = 122401244262.

The previous prime is 122401244227. The next prime is 122401244293. The reversal of 122401244263 is 362442104221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122401244263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122401244293) 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, 61200622131 + 61200622132.

It is an arithmetic number, because the mean of its divisors is an integer number (61200622132).

Almost surely, 2^122401244263 is an apocalyptic number.

122401244263 is a deficient number, since it is larger than the sum of its proper divisors (1).

122401244263 is an equidigital number, since it uses as much as digits as its factorization.

122401244263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 122401244263 its reverse (362442104221), we get a palindrome (484843348484).

The spelling of 122401244263 in words is "one hundred twenty-two billion, four hundred one million, two hundred forty-four thousand, two hundred sixty-three".