9118091 has 2 divisors, whose sum is σ = 9118092. Its totient is φ = 9118090.

The previous prime is 9118063. The next prime is 9118111. The reversal of 9118091 is 1908119.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9118091 - 2⁶ = 9118027 is a prime.

It is not a weakly prime, because it can be changed into another prime (9118691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4559045 + 4559046.

It is an arithmetic number, because the mean of its divisors is an integer number (4559046).

Almost surely, 2^9118091 is an apocalyptic number.

9118091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9118091 is an equidigital number, since it uses as much as digits as its factorization.

9118091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 9118091 is about 3019.6176910331. The cubic root of 9118091 is about 208.9142066772.

The spelling of 9118091 in words is "nine million, one hundred eighteen thousand, ninety-one".