91127 has 2 divisors, whose sum is σ = 91128. Its totient is φ = 91126.

The previous prime is 91121. The next prime is 91129. The reversal of 91127 is 72119.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91127 is a prime.

Together with 91129, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 91099 and 91108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91121) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45563 + 45564.

It is an arithmetic number, because the mean of its divisors is an integer number (45564).

2⁹¹¹²⁷ is an apocalyptic number.

91127 is a deficient number, since it is larger than the sum of its proper divisors (1).

91127 is an equidigital number, since it uses as much as digits as its factorization.

91127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 20.

The square root of 91127 is about 301.8724896376. The cubic root of 91127 is about 45.0003292157. Note that the first 3 decimals are identical.

It can be divided in two parts, 9112 and 7, that added together give a palindrome (9119).

The spelling of 91127 in words is "ninety-one thousand, one hundred twenty-seven".