122402519 has 2 divisors, whose sum is σ = 122402520. Its totient is φ = 122402518.

The previous prime is 122402491. The next prime is 122402551. The reversal of 122402519 is 915204221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122402519 - 2¹⁶ = 122336983 is a prime.

It is a super-2 number, since 2×122402519² = 29964753315090722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122402569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61201259 + 61201260.

It is an arithmetic number, because the mean of its divisors is an integer number (61201260).

Almost surely, 2^122402519 is an apocalyptic number.

122402519 is a deficient number, since it is larger than the sum of its proper divisors (1).

122402519 is an equidigital number, since it uses as much as digits as its factorization.

122402519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 122402519 is about 11063.5671914623. The cubic root of 122402519 is about 496.5124221618.

The spelling of 122402519 in words is "one hundred twenty-two million, four hundred two thousand, five hundred nineteen".