127081264 has 10 divisors (see below), whose sum is σ = 246219980. Its totient is φ = 63540624.

The previous prime is 127081261. The next prime is 127081289. The reversal of 127081264 is 462180721.

It is a super-2 number, since 2×127081264² = 32299295319675392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127081261) 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, 3971274 + ... + 3971305.

It is an arithmetic number, because the mean of its divisors is an integer number (24621998).

Almost surely, 2^127081264 is an apocalyptic number.

It is an amenable number.

127081264 is a deficient number, since it is larger than the sum of its proper divisors (119138716).

127081264 is an equidigital number, since it uses as much as digits as its factorization.

127081264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942587 (or 7942581 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 127081264 is about 11273.0325999706. The cubic root of 127081264 is about 502.7597581116.

The spelling of 127081264 in words is "one hundred twenty-seven million, eighty-one thousand, two hundred sixty-four".