9112091 has 2 divisors, whose sum is σ = 9112092. Its totient is φ = 9112090.

The previous prime is 9112049. The next prime is 9112121. The reversal of 9112091 is 1902119.

It is a strong prime.

It is an emirp because it is prime and its reverse (1902119) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9112091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9112591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556045 + 4556046.

It is an arithmetic number, because the mean of its divisors is an integer number (4556046).

Almost surely, 2^9112091 is an apocalyptic number.

9112091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9112091 is an equidigital number, since it uses as much as digits as its factorization.

9112091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 9112091 is about 3018.6240242866. The cubic root of 9112091 is about 208.8683725114.

The spelling of 9112091 in words is "nine million, one hundred twelve thousand, ninety-one".