1113402287 has 2 divisors, whose sum is σ = 1113402288. Its totient is φ = 1113402286.

The previous prime is 1113402271. The next prime is 1113402313. The reversal of 1113402287 is 7822043111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113402287 - 2⁴ = 1113402271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113401287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556701143 + 556701144.

It is an arithmetic number, because the mean of its divisors is an integer number (556701144).

Almost surely, 2^1113402287 is an apocalyptic number.

1113402287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113402287 is an equidigital number, since it uses as much as digits as its factorization.

1113402287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1113402287 is about 33367.6832728915. The cubic root of 1113402287 is about 1036.4556014897.

Adding to 1113402287 its reverse (7822043111), we get a palindrome (8935445398).

The spelling of 1113402287 in words is "one billion, one hundred thirteen million, four hundred two thousand, two hundred eighty-seven".