127500379 has 2 divisors, whose sum is σ = 127500380. Its totient is φ = 127500378.

The previous prime is 127500377. The next prime is 127500383. The reversal of 127500379 is 973005721.

It is a weak prime.

It is an emirp because it is prime and its reverse (973005721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127500379 - 2¹ = 127500377 is a prime.

Together with 127500377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (127500371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63750189 + 63750190.

It is an arithmetic number, because the mean of its divisors is an integer number (63750190).

Almost surely, 2^127500379 is an apocalyptic number.

127500379 is a deficient number, since it is larger than the sum of its proper divisors (1).

127500379 is an equidigital number, since it uses as much as digits as its factorization.

127500379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 127500379 is about 11291.6065730258. The cubic root of 127500379 is about 503.3118534855.

The spelling of 127500379 in words is "one hundred twenty-seven million, five hundred thousand, three hundred seventy-nine".