132111961 has 2 divisors, whose sum is σ = 132111962. Its totient is φ = 132111960.

The previous prime is 132111949. The next prime is 132111983. The reversal of 132111961 is 169111231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91087936 + 41024025 = 9544^2 + 6405^2 .

It is a cyclic number.

It is not a de Polignac number, because 132111961 - 2⁵ = 132111929 is a prime.

It is not a weakly prime, because it can be changed into another prime (132111361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66055980 + 66055981.

It is an arithmetic number, because the mean of its divisors is an integer number (66055981).

Almost surely, 2^132111961 is an apocalyptic number.

It is an amenable number.

132111961 is a deficient number, since it is larger than the sum of its proper divisors (1).

132111961 is an equidigital number, since it uses as much as digits as its factorization.

132111961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 25.

The square root of 132111961 is about 11493.9967374278. The cubic root of 132111961 is about 509.3082522146.

The spelling of 132111961 in words is "one hundred thirty-two million, one hundred eleven thousand, nine hundred sixty-one".