122132861 has 2 divisors, whose sum is σ = 122132862. Its totient is φ = 122132860.

The previous prime is 122132807. The next prime is 122132887. The reversal of 122132861 is 168231221.

It is an a-pointer prime, because the next prime (122132887) can be obtained adding 122132861 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61136761 + 60996100 = 7819^2 + 7810^2 .

It is a cyclic number.

It is not a de Polignac number, because 122132861 - 2¹⁰ = 122131837 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122132861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122132161) 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, 61066430 + 61066431.

It is an arithmetic number, because the mean of its divisors is an integer number (61066431).

Almost surely, 2^122132861 is an apocalyptic number.

It is an amenable number.

122132861 is a deficient number, since it is larger than the sum of its proper divisors (1).

122132861 is an equidigital number, since it uses as much as digits as its factorization.

122132861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 122132861 is about 11051.3737155161. The cubic root of 122132861 is about 496.1475413595.

The spelling of 122132861 in words is "one hundred twenty-two million, one hundred thirty-two thousand, eight hundred sixty-one".