402122124419 has 2 divisors, whose sum is σ = 402122124420. Its totient is φ = 402122124418.

The previous prime is 402122124389. The next prime is 402122124457. The reversal of 402122124419 is 914421221204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402122124419 is a prime.

It is a super-2 number, since 2×402122124419² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (402122024419) 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, 201061062209 + 201061062210.

It is an arithmetic number, because the mean of its divisors is an integer number (201061062210).

Almost surely, 2^402122124419 is an apocalyptic number.

402122124419 is a deficient number, since it is larger than the sum of its proper divisors (1).

402122124419 is an equidigital number, since it uses as much as digits as its factorization.

402122124419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 402122124419 in words is "four hundred two billion, one hundred twenty-two million, one hundred twenty-four thousand, four hundred nineteen".