127385161 has 2 divisors, whose sum is σ = 127385162. Its totient is φ = 127385160.

The previous prime is 127385123. The next prime is 127385173. The reversal of 127385161 is 161583721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95179536 + 32205625 = 9756^2 + 5675^2 .

It is a cyclic number.

It is not a de Polignac number, because 127385161 - 2⁷ = 127385033 is a prime.

It is not a weakly prime, because it can be changed into another prime (127385761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63692580 + 63692581.

It is an arithmetic number, because the mean of its divisors is an integer number (63692581).

Almost surely, 2^127385161 is an apocalyptic number.

It is an amenable number.

127385161 is a deficient number, since it is larger than the sum of its proper divisors (1).

127385161 is an equidigital number, since it uses as much as digits as its factorization.

127385161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 127385161 is about 11286.5034886806. The cubic root of 127385161 is about 503.1601988722.

The spelling of 127385161 in words is "one hundred twenty-seven million, three hundred eighty-five thousand, one hundred sixty-one".