132601961 has 2 divisors, whose sum is σ = 132601962. Its totient is φ = 132601960.

The previous prime is 132601957. The next prime is 132602011. The reversal of 132601961 is 169106231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102010000 + 30591961 = 10100^2 + 5531^2 .

It is a cyclic number.

It is not a de Polignac number, because 132601961 - 2² = 132601957 is a prime.

It is a super-2 number, since 2×132601961² = 35166560122091042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (132601951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66300980 + 66300981.

It is an arithmetic number, because the mean of its divisors is an integer number (66300981).

Almost surely, 2^132601961 is an apocalyptic number.

It is an amenable number.

132601961 is a deficient number, since it is larger than the sum of its proper divisors (1).

132601961 is an equidigital number, since it uses as much as digits as its factorization.

132601961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 132601961 is about 11515.2924843445. The cubic root of 132601961 is about 509.9371459128.

The spelling of 132601961 in words is "one hundred thirty-two million, six hundred one thousand, nine hundred sixty-one".