122115419 has 2 divisors, whose sum is σ = 122115420. Its totient is φ = 122115418.

The previous prime is 122115407. The next prime is 122115439. The reversal of 122115419 is 914511221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122115419 - 2⁸ = 122115163 is a prime.

It is a super-2 number, since 2×122115419² = 29824351115091122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122115439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61057709 + 61057710.

It is an arithmetic number, because the mean of its divisors is an integer number (61057710).

Almost surely, 2^122115419 is an apocalyptic number.

122115419 is a deficient number, since it is larger than the sum of its proper divisors (1).

122115419 is an equidigital number, since it uses as much as digits as its factorization.

122115419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 26.

The square root of 122115419 is about 11050.5845546740. The cubic root of 122115419 is about 496.1239216792.

The spelling of 122115419 in words is "one hundred twenty-two million, one hundred fifteen thousand, four hundred nineteen".