127006081 has 2 divisors, whose sum is σ = 127006082. Its totient is φ = 127006080.

The previous prime is 127006067. The next prime is 127006093. The reversal of 127006081 is 180600721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102414400 + 24591681 = 10120^2 + 4959^2 .

It is a cyclic number.

It is not a de Polignac number, because 127006081 - 2⁷ = 127005953 is a prime.

It is a super-2 number, since 2×127006081² = 32261089221957122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127006021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63503040 + 63503041.

It is an arithmetic number, because the mean of its divisors is an integer number (63503041).

Almost surely, 2^127006081 is an apocalyptic number.

It is an amenable number.

127006081 is a deficient number, since it is larger than the sum of its proper divisors (1).

127006081 is an equidigital number, since it uses as much as digits as its factorization.

127006081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 127006081 is about 11269.6974671018. The cubic root of 127006081 is about 502.6605920549.

It can be divided in two parts, 12700 and 6081, that added together give a palindrome (18781).

The spelling of 127006081 in words is "one hundred twenty-seven million, six thousand, eighty-one".