1120291 has 2 divisors, whose sum is σ = 1120292. Its totient is φ = 1120290.

The previous prime is 1120289. The next prime is 1120303. The reversal of 1120291 is 1920211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1920211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120291 - 2¹ = 1120289 is a prime.

Together with 1120289, it forms a pair of twin primes.

1120291 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560145 + 560146.

It is an arithmetic number, because the mean of its divisors is an integer number (560146).

2^1120291 is an apocalyptic number.

1120291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120291 is an equidigital number, since it uses as much as digits as its factorization.

1120291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1120291 is about 1058.4380000737. The cubic root of 1120291 is about 103.8588753997.

It can be divided in two parts, 11 and 20291, that added together give a palindrome (20302).

The spelling of 1120291 in words is "one million, one hundred twenty thousand, two hundred ninety-one".