122515470019 has 2 divisors, whose sum is σ = 122515470020. Its totient is φ = 122515470018.

The previous prime is 122515469971. The next prime is 122515470031. The reversal of 122515470019 is 910074515221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122515470019 is a prime.

It is a super-2 number, since 2×122515470019² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122515470019.

It is not a weakly prime, because it can be changed into another prime (122515470059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61257735009 + 61257735010.

It is an arithmetic number, because the mean of its divisors is an integer number (61257735010).

Almost surely, 2^122515470019 is an apocalyptic number.

122515470019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122515470019 is an equidigital number, since it uses as much as digits as its factorization.

122515470019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 122515470019 in words is "one hundred twenty-two billion, five hundred fifteen million, four hundred seventy thousand, nineteen".