122881079 has 2 divisors, whose sum is σ = 122881080. Its totient is φ = 122881078.

The previous prime is 122881069. The next prime is 122881093. The reversal of 122881079 is 970188221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122881079 - 2⁴ = 122881063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122881039) 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, 61440539 + 61440540.

It is an arithmetic number, because the mean of its divisors is an integer number (61440540).

Almost surely, 2^122881079 is an apocalyptic number.

122881079 is a deficient number, since it is larger than the sum of its proper divisors (1).

122881079 is an equidigital number, since it uses as much as digits as its factorization.

122881079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 122881079 is about 11085.1738371574. The cubic root of 122881079 is about 497.1586561150.

The spelling of 122881079 in words is "one hundred twenty-two million, eight hundred eighty-one thousand, seventy-nine".