127340893 has 2 divisors, whose sum is σ = 127340894. Its totient is φ = 127340892.

The previous prime is 127340891. The next prime is 127340909. The reversal of 127340893 is 398043721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124947684 + 2393209 = 11178^2 + 1547^2 .

It is an emirp because it is prime and its reverse (398043721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127340893 - 2¹ = 127340891 is a prime.

Together with 127340891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127340891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63670446 + 63670447.

It is an arithmetic number, because the mean of its divisors is an integer number (63670447).

Almost surely, 2^127340893 is an apocalyptic number.

It is an amenable number.

127340893 is a deficient number, since it is larger than the sum of its proper divisors (1).

127340893 is an equidigital number, since it uses as much as digits as its factorization.

127340893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 127340893 is about 11284.5422149062. The cubic root of 127340893 is about 503.1019072152.

The spelling of 127340893 in words is "one hundred twenty-seven million, three hundred forty thousand, eight hundred ninety-three".