122130859 has 2 divisors, whose sum is σ = 122130860. Its totient is φ = 122130858.

The previous prime is 122130797. The next prime is 122130871. The reversal of 122130859 is 958031221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122130859 - 2²¹ = 120033707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122130859.

It is not a weakly prime, because it can be changed into another prime (122130889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61065429 + 61065430.

It is an arithmetic number, because the mean of its divisors is an integer number (61065430).

Almost surely, 2^122130859 is an apocalyptic number.

122130859 is a deficient number, since it is larger than the sum of its proper divisors (1).

122130859 is an equidigital number, since it uses as much as digits as its factorization.

122130859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 122130859 is about 11051.2831381700. The cubic root of 122130859 is about 496.1448303971.

The spelling of 122130859 in words is "one hundred twenty-two million, one hundred thirty thousand, eight hundred fifty-nine".