11120287 has 2 divisors, whose sum is σ = 11120288. Its totient is φ = 11120286.

The previous prime is 11120281. The next prime is 11120297. The reversal of 11120287 is 78202111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11120287 - 2³ = 11120279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560143 + 5560144.

It is an arithmetic number, because the mean of its divisors is an integer number (5560144).

Almost surely, 2^11120287 is an apocalyptic number.

11120287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120287 is an equidigital number, since it uses as much as digits as its factorization.

11120287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11120287 is about 3334.7094326193. The cubic root of 11120287 is about 223.2057262162.

Adding to 11120287 its reverse (78202111), we get a palindrome (89322398).

The spelling of 11120287 in words is "eleven million, one hundred twenty thousand, two hundred eighty-seven".