127328771 has 2 divisors, whose sum is σ = 127328772. Its totient is φ = 127328770.

The previous prime is 127328741. The next prime is 127328779. The reversal of 127328771 is 177823721.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (177823721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127328771 - 2¹⁸ = 127066627 is a prime.

It is not a weakly prime, because it can be changed into another prime (127328779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63664385 + 63664386.

It is an arithmetic number, because the mean of its divisors is an integer number (63664386).

Almost surely, 2^127328771 is an apocalyptic number.

127328771 is a deficient number, since it is larger than the sum of its proper divisors (1).

127328771 is an equidigital number, since it uses as much as digits as its factorization.

127328771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 38.

The square root of 127328771 is about 11284.0050957096. The cubic root of 127328771 is about 503.0859427315.

The spelling of 127328771 in words is "one hundred twenty-seven million, three hundred twenty-eight thousand, seven hundred seventy-one".