1112320291 has 2 divisors, whose sum is σ = 1112320292. Its totient is φ = 1112320290.

The previous prime is 1112320247. The next prime is 1112320303. The reversal of 1112320291 is 1920232111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112320291 - 2⁷ = 1112320163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112320241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556160145 + 556160146.

It is an arithmetic number, because the mean of its divisors is an integer number (556160146).

Almost surely, 2^1112320291 is an apocalyptic number.

1112320291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112320291 is an equidigital number, since it uses as much as digits as its factorization.

1112320291 is an evil number, because the sum of its binary digits is even.

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

The square root of 1112320291 is about 33351.4660997084. The cubic root of 1112320291 is about 1036.1197527452.

The spelling of 1112320291 in words is "one billion, one hundred twelve million, three hundred twenty thousand, two hundred ninety-one".