122261159 has 2 divisors, whose sum is σ = 122261160. Its totient is φ = 122261158.

The previous prime is 122261149. The next prime is 122261171. The reversal of 122261159 is 951162221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122261159 - 2⁸ = 122260903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122261119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61130579 + 61130580.

It is an arithmetic number, because the mean of its divisors is an integer number (61130580).

Almost surely, 2^122261159 is an apocalyptic number.

122261159 is a deficient number, since it is larger than the sum of its proper divisors (1).

122261159 is an equidigital number, since it uses as much as digits as its factorization.

122261159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 122261159 is about 11057.1768096563. The cubic root of 122261159 is about 496.3212114115.

The spelling of 122261159 in words is "one hundred twenty-two million, two hundred sixty-one thousand, one hundred fifty-nine".