122590379 has 2 divisors, whose sum is σ = 122590380. Its totient is φ = 122590378.

The previous prime is 122590343. The next prime is 122590381. The reversal of 122590379 is 973095221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122590379 is a prime.

Together with 122590381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122590309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61295189 + 61295190.

It is an arithmetic number, because the mean of its divisors is an integer number (61295190).

Almost surely, 2^122590379 is an apocalyptic number.

122590379 is a deficient number, since it is larger than the sum of its proper divisors (1).

122590379 is an equidigital number, since it uses as much as digits as its factorization.

122590379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 122590379 is about 11072.0539648251. The cubic root of 122590379 is about 496.7663034993.

The spelling of 122590379 in words is "one hundred twenty-two million, five hundred ninety thousand, three hundred seventy-nine".