122958379 has 2 divisors, whose sum is σ = 122958380. Its totient is φ = 122958378.

The previous prime is 122958317. The next prime is 122958383. The reversal of 122958379 is 973859221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122958379 - 2⁹ = 122957867 is a prime.

It is not a weakly prime, because it can be changed into another prime (122958389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61479189 + 61479190.

It is an arithmetic number, because the mean of its divisors is an integer number (61479190).

Almost surely, 2^122958379 is an apocalyptic number.

122958379 is a deficient number, since it is larger than the sum of its proper divisors (1).

122958379 is an equidigital number, since it uses as much as digits as its factorization.

122958379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 122958379 is about 11088.6599280526. The cubic root of 122958379 is about 497.2628823823.

The spelling of 122958379 in words is "one hundred twenty-two million, nine hundred fifty-eight thousand, three hundred seventy-nine".