122125579 has 2 divisors, whose sum is σ = 122125580. Its totient is φ = 122125578.

The previous prime is 122125573. The next prime is 122125639. The reversal of 122125579 is 975521221.

It is a weak prime.

It is an emirp because it is prime and its reverse (975521221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122125579 - 2⁹ = 122125067 is a prime.

It is not a weakly prime, because it can be changed into another prime (122125573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61062789 + 61062790.

It is an arithmetic number, because the mean of its divisors is an integer number (61062790).

Almost surely, 2^122125579 is an apocalyptic number.

122125579 is a deficient number, since it is larger than the sum of its proper divisors (1).

122125579 is an equidigital number, since it uses as much as digits as its factorization.

122125579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 34.

The square root of 122125579 is about 11051.0442493006. The cubic root of 122125579 is about 496.1376804639.

The spelling of 122125579 in words is "one hundred twenty-two million, one hundred twenty-five thousand, five hundred seventy-nine".