127331 has 2 divisors, whose sum is σ = 127332. Its totient is φ = 127330.

The previous prime is 127321. The next prime is 127343. The reversal of 127331 is 133721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127331 - 2¹⁰ = 126307 is a prime.

It is a super-2 number, since 2×127331² = 32426367122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63665 + 63666.

It is an arithmetic number, because the mean of its divisors is an integer number (63666).

2¹²⁷³³¹ is an apocalyptic number.

127331 is a deficient number, since it is larger than the sum of its proper divisors (1).

127331 is an equidigital number, since it uses as much as digits as its factorization.

127331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 17.

The square root of 127331 is about 356.8346956225. The cubic root of 127331 is about 50.3088878366.

The spelling of 127331 in words is "one hundred twenty-seven thousand, three hundred thirty-one".