1122312091 has 2 divisors, whose sum is σ = 1122312092. Its totient is φ = 1122312090.

The previous prime is 1122312077. The next prime is 1122312119. The reversal of 1122312091 is 1902132211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122312091 - 2⁷ = 1122311963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122313091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561156045 + 561156046.

It is an arithmetic number, because the mean of its divisors is an integer number (561156046).

Almost surely, 2^1122312091 is an apocalyptic number.

1122312091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122312091 is an equidigital number, since it uses as much as digits as its factorization.

1122312091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1122312091 is about 33500.9267185253. The cubic root of 1122312091 is about 1039.2129434105.

The spelling of 1122312091 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, ninety-one".