127613489 has 2 divisors, whose sum is σ = 127613490. Its totient is φ = 127613488.

The previous prime is 127613429. The next prime is 127613527. The reversal of 127613489 is 984316721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109830400 + 17783089 = 10480^2 + 4217^2 .

It is a cyclic number.

It is not a de Polignac number, because 127613489 - 2¹² = 127609393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127613419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63806744 + 63806745.

It is an arithmetic number, because the mean of its divisors is an integer number (63806745).

Almost surely, 2^127613489 is an apocalyptic number.

It is an amenable number.

127613489 is a deficient number, since it is larger than the sum of its proper divisors (1).

127613489 is an equidigital number, since it uses as much as digits as its factorization.

127613489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 127613489 is about 11296.6140502365. The cubic root of 127613489 is about 503.4606446178.

The spelling of 127613489 in words is "one hundred twenty-seven million, six hundred thirteen thousand, four hundred eighty-nine".