127275697 has 2 divisors, whose sum is σ = 127275698. Its totient is φ = 127275696.

The previous prime is 127275653. The next prime is 127275749. The reversal of 127275697 is 796572721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122965921 + 4309776 = 11089^2 + 2076^2 .

It is a cyclic number.

It is not a de Polignac number, because 127275697 - 2¹⁹ = 126751409 is a prime.

It is not a weakly prime, because it can be changed into another prime (127275637) 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, 63637848 + 63637849.

It is an arithmetic number, because the mean of its divisors is an integer number (63637849).

Almost surely, 2^127275697 is an apocalyptic number.

It is an amenable number.

127275697 is a deficient number, since it is larger than the sum of its proper divisors (1).

127275697 is an equidigital number, since it uses as much as digits as its factorization.

127275697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 46.

The square root of 127275697 is about 11281.6531146814. The cubic root of 127275697 is about 503.0160331742.

The spelling of 127275697 in words is "one hundred twenty-seven million, two hundred seventy-five thousand, six hundred ninety-seven".