127328911 has 2 divisors, whose sum is σ = 127328912. Its totient is φ = 127328910.

The previous prime is 127328833. The next prime is 127328921. The reversal of 127328911 is 119823721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127328911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127328921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63664455 + 63664456.

It is an arithmetic number, because the mean of its divisors is an integer number (63664456).

Almost surely, 2^127328911 is an apocalyptic number.

127328911 is a deficient number, since it is larger than the sum of its proper divisors (1).

127328911 is an equidigital number, since it uses as much as digits as its factorization.

127328911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 34.

The square root of 127328911 is about 11284.0112991790. The cubic root of 127328911 is about 503.0861271151.

The spelling of 127328911 in words is "one hundred twenty-seven million, three hundred twenty-eight thousand, nine hundred eleven".