122620890419 has 2 divisors, whose sum is σ = 122620890420. Its totient is φ = 122620890418.

The previous prime is 122620890407. The next prime is 122620890451. The reversal of 122620890419 is 914098026221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122620890419 - 2²⁰ = 122619841843 is a prime.

It is a super-2 number, since 2×122620890419² (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 122620890419.

It is not a weakly prime, because it can be changed into another prime (122620892419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310445209 + 61310445210.

It is an arithmetic number, because the mean of its divisors is an integer number (61310445210).

Almost surely, 2^122620890419 is an apocalyptic number.

122620890419 is a deficient number, since it is larger than the sum of its proper divisors (1).

122620890419 is an equidigital number, since it uses as much as digits as its factorization.

122620890419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 122620890419 in words is "one hundred twenty-two billion, six hundred twenty million, eight hundred ninety thousand, four hundred nineteen".