127928011 has 2 divisors, whose sum is σ = 127928012. Its totient is φ = 127928010.

The previous prime is 127927993. The next prime is 127928027. The reversal of 127928011 is 110829721.

It is a strong prime.

It is an emirp because it is prime and its reverse (110829721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127928011 - 2⁷ = 127927883 is a prime.

It is a super-2 number, since 2×127928011² = 32731151996832242, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 127928011 parts by 15995 straight cuts.

It is not a weakly prime, because it can be changed into another prime (127928051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63964005 + 63964006.

It is an arithmetic number, because the mean of its divisors is an integer number (63964006).

Almost surely, 2^127928011 is an apocalyptic number.

127928011 is a deficient number, since it is larger than the sum of its proper divisors (1).

127928011 is an equidigital number, since it uses as much as digits as its factorization.

127928011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 127928011 is about 11310.5265571502. The cubic root of 127928011 is about 503.8739225980.

The spelling of 127928011 in words is "one hundred twenty-seven million, nine hundred twenty-eight thousand, eleven".