1112291 has 2 divisors, whose sum is σ = 1112292. Its totient is φ = 1112290.

The previous prime is 1112273. The next prime is 1112323. The reversal of 1112291 is 1922111.

It is a weak prime.

It is an emirp because it is prime and its reverse (1922111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112291 - 2¹⁴ = 1095907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556145 + 556146.

It is an arithmetic number, because the mean of its divisors is an integer number (556146).

2^1112291 is an apocalyptic number.

1112291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112291 is an equidigital number, since it uses as much as digits as its factorization.

1112291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 17.

The square root of 1112291 is about 1054.6520753310. The cubic root of 1112291 is about 103.6110657868.

The spelling of 1112291 in words is "one million, one hundred twelve thousand, two hundred ninety-one".