122599487 has 2 divisors, whose sum is σ = 122599488. Its totient is φ = 122599486.

The previous prime is 122599483. The next prime is 122599489. The reversal of 122599487 is 784995221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122599487 - 2² = 122599483 is a prime.

Together with 122599489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122599483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61299743 + 61299744.

It is an arithmetic number, because the mean of its divisors is an integer number (61299744).

Almost surely, 2^122599487 is an apocalyptic number.

122599487 is a deficient number, since it is larger than the sum of its proper divisors (1).

122599487 is an equidigital number, since it uses as much as digits as its factorization.

122599487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 122599487 is about 11072.4652629846. The cubic root of 122599487 is about 496.7786058118.

The spelling of 122599487 in words is "one hundred twenty-two million, five hundred ninety-nine thousand, four hundred eighty-seven".