1120331287 has 2 divisors, whose sum is σ = 1120331288. Its totient is φ = 1120331286.

The previous prime is 1120331239. The next prime is 1120331293. The reversal of 1120331287 is 7821330211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120331287 - 2¹¹ = 1120329239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120331207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560165643 + 560165644.

It is an arithmetic number, because the mean of its divisors is an integer number (560165644).

Almost surely, 2^1120331287 is an apocalyptic number.

1120331287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120331287 is an equidigital number, since it uses as much as digits as its factorization.

1120331287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1120331287 is about 33471.3502416619. The cubic root of 1120331287 is about 1038.6012034782.

Adding to 1120331287 its reverse (7821330211), we get a palindrome (8941661498).

The spelling of 1120331287 in words is "one billion, one hundred twenty million, three hundred thirty-one thousand, two hundred eighty-seven".