122582279 has 2 divisors, whose sum is σ = 122582280. Its totient is φ = 122582278.

The previous prime is 122582267. The next prime is 122582311. The reversal of 122582279 is 972285221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122582279 - 2⁴ = 122582263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122582219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61291139 + 61291140.

It is an arithmetic number, because the mean of its divisors is an integer number (61291140).

Almost surely, 2^122582279 is an apocalyptic number.

122582279 is a deficient number, since it is larger than the sum of its proper divisors (1).

122582279 is an equidigital number, since it uses as much as digits as its factorization.

122582279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 122582279 is about 11071.6881729933. The cubic root of 122582279 is about 496.7553621957.

The spelling of 122582279 in words is "one hundred twenty-two million, five hundred eighty-two thousand, two hundred seventy-nine".