127030489 has 2 divisors, whose sum is σ = 127030490. Its totient is φ = 127030488.

The previous prime is 127030451. The next prime is 127030513. The reversal of 127030489 is 984030721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109558089 + 17472400 = 10467^2 + 4180^2 .

It is an emirp because it is prime and its reverse (984030721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127030489 - 2¹¹ = 127028441 is a prime.

It is a super-2 number, since 2×127030489² = 32273490271158242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127030429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63515244 + 63515245.

It is an arithmetic number, because the mean of its divisors is an integer number (63515245).

Almost surely, 2^127030489 is an apocalyptic number.

It is an amenable number.

127030489 is a deficient number, since it is larger than the sum of its proper divisors (1).

127030489 is an equidigital number, since it uses as much as digits as its factorization.

127030489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 127030489 is about 11270.7803190374. The cubic root of 127030489 is about 502.6927903921.

The spelling of 127030489 in words is "one hundred twenty-seven million, thirty thousand, four hundred eighty-nine".