127081061 has 2 divisors, whose sum is σ = 127081062. Its totient is φ = 127081060.

The previous prime is 127081037. The next prime is 127081079. The reversal of 127081061 is 160180721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125104225 + 1976836 = 11185^2 + 1406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127081061 is a prime.

It is a super-2 number, since 2×127081061² = 32299192129771442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127081061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127081081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63540530 + 63540531.

It is an arithmetic number, because the mean of its divisors is an integer number (63540531).

Almost surely, 2^127081061 is an apocalyptic number.

It is an amenable number.

127081061 is a deficient number, since it is larger than the sum of its proper divisors (1).

127081061 is an equidigital number, since it uses as much as digits as its factorization.

127081061 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 26.

The square root of 127081061 is about 11273.0235961786. The cubic root of 127081061 is about 502.7594904081.

The spelling of 127081061 in words is "one hundred twenty-seven million, eighty-one thousand, sixty-one".