122690419 has 2 divisors, whose sum is σ = 122690420. Its totient is φ = 122690418.

The previous prime is 122690413. The next prime is 122690423. The reversal of 122690419 is 914096221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122690419 - 2¹⁵ = 122657651 is a prime.

It is a super-2 number, since 2×122690419² = 30105877828791122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122690413) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61345209 + 61345210.

It is an arithmetic number, because the mean of its divisors is an integer number (61345210).

Almost surely, 2^122690419 is an apocalyptic number.

122690419 is a deficient number, since it is larger than the sum of its proper divisors (1).

122690419 is an equidigital number, since it uses as much as digits as its factorization.

122690419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 122690419 is about 11076.5707238296. The cubic root of 122690419 is about 496.9013956364.

The spelling of 122690419 in words is "one hundred twenty-two million, six hundred ninety thousand, four hundred nineteen".