122421319 has 2 divisors, whose sum is σ = 122421320. Its totient is φ = 122421318.

The previous prime is 122421317. The next prime is 122421337. The reversal of 122421319 is 913124221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122421319 - 2¹ = 122421317 is a prime.

It is a super-2 number, since 2×122421319² = 29973958691399522, which contains 22 as substring.

Together with 122421317, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 122421293 and 122421302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122421311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61210659 + 61210660.

It is an arithmetic number, because the mean of its divisors is an integer number (61210660).

Almost surely, 2^122421319 is an apocalyptic number.

122421319 is a deficient number, since it is larger than the sum of its proper divisors (1).

122421319 is an equidigital number, since it uses as much as digits as its factorization.

122421319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 122421319 is about 11064.4167943909. The cubic root of 122421319 is about 496.5378409079.

The spelling of 122421319 in words is "one hundred twenty-two million, four hundred twenty-one thousand, three hundred nineteen".