127132961 has 2 divisors, whose sum is σ = 127132962. Its totient is φ = 127132960.

The previous prime is 127132949. The next prime is 127132981. The reversal of 127132961 is 169231721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110649361 + 16483600 = 10519^2 + 4060^2 .

It is a cyclic number.

It is not a de Polignac number, because 127132961 - 2¹⁰ = 127131937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127132981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63566480 + 63566481.

It is an arithmetic number, because the mean of its divisors is an integer number (63566481).

Almost surely, 2^127132961 is an apocalyptic number.

It is an amenable number.

127132961 is a deficient number, since it is larger than the sum of its proper divisors (1).

127132961 is an equidigital number, since it uses as much as digits as its factorization.

127132961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 127132961 is about 11275.3253168146. The cubic root of 127132961 is about 502.8279235431.

The spelling of 127132961 in words is "one hundred twenty-seven million, one hundred thirty-two thousand, nine hundred sixty-one".