122438879503 has 2 divisors, whose sum is σ = 122438879504. Its totient is φ = 122438879502.

The previous prime is 122438879501. The next prime is 122438879579. The reversal of 122438879503 is 305978834221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122438879503 - 2¹ = 122438879501 is a prime.

Together with 122438879501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122438879501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61219439751 + 61219439752.

It is an arithmetic number, because the mean of its divisors is an integer number (61219439752).

Almost surely, 2^122438879503 is an apocalyptic number.

122438879503 is a deficient number, since it is larger than the sum of its proper divisors (1).

122438879503 is an equidigital number, since it uses as much as digits as its factorization.

122438879503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 122438879503 in words is "one hundred twenty-two billion, four hundred thirty-eight million, eight hundred seventy-nine thousand, five hundred three".