122461159 has 2 divisors, whose sum is σ = 122461160. Its totient is φ = 122461158.

The previous prime is 122461123. The next prime is 122461169. The reversal of 122461159 is 951164221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122461159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122461159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122461169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61230579 + 61230580.

It is an arithmetic number, because the mean of its divisors is an integer number (61230580).

Almost surely, 2^122461159 is an apocalyptic number.

122461159 is a deficient number, since it is larger than the sum of its proper divisors (1).

122461159 is an equidigital number, since it uses as much as digits as its factorization.

122461159 is an odious number, because the sum of its binary digits is odd.

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

The square root of 122461159 is about 11066.2170139574. The cubic root of 122461159 is about 496.5916984174.

The spelling of 122461159 in words is "one hundred twenty-two million, four hundred sixty-one thousand, one hundred fifty-nine".