127338091 has 2 divisors, whose sum is σ = 127338092. Its totient is φ = 127338090.

The previous prime is 127338089. The next prime is 127338121. The reversal of 127338091 is 190833721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127338091 - 2¹ = 127338089 is a prime.

Together with 127338089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (127338031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63669045 + 63669046.

It is an arithmetic number, because the mean of its divisors is an integer number (63669046).

Almost surely, 2^127338091 is an apocalyptic number.

127338091 is a deficient number, since it is larger than the sum of its proper divisors (1).

127338091 is an equidigital number, since it uses as much as digits as its factorization.

127338091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 127338091 is about 11284.4180620890. The cubic root of 127338091 is about 503.0982171152.

The spelling of 127338091 in words is "one hundred twenty-seven million, three hundred thirty-eight thousand, ninety-one".