127081841 has 2 divisors, whose sum is σ = 127081842. Its totient is φ = 127081840.

The previous prime is 127081819. The next prime is 127081847. The reversal of 127081841 is 148180721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123298816 + 3783025 = 11104^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 127081841 - 2⁶ = 127081777 is a prime.

It is a super-2 number, since 2×127081841² = 32299588623898562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127081798 and 127081807.

It is not a weakly prime, because it can be changed into another prime (127081847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63540920 + 63540921.

It is an arithmetic number, because the mean of its divisors is an integer number (63540921).

Almost surely, 2^127081841 is an apocalyptic number.

It is an amenable number.

127081841 is a deficient number, since it is larger than the sum of its proper divisors (1).

127081841 is an equidigital number, since it uses as much as digits as its factorization.

127081841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 127081841 is about 11273.0581919903. The cubic root of 127081841 is about 502.7605190209.

The spelling of 127081841 in words is "one hundred twenty-seven million, eighty-one thousand, eight hundred forty-one".