1130231087 has 2 divisors, whose sum is σ = 1130231088. Its totient is φ = 1130231086.

The previous prime is 1130231059. The next prime is 1130231143. The reversal of 1130231087 is 7801320311.

It is a weak prime.

It is an emirp because it is prime and its reverse (7801320311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130231087 - 2⁶ = 1130231023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130231057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565115543 + 565115544.

It is an arithmetic number, because the mean of its divisors is an integer number (565115544).

Almost surely, 2^1130231087 is an apocalyptic number.

1130231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130231087 is an equidigital number, since it uses as much as digits as its factorization.

1130231087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1130231087 is about 33618.9096640566. The cubic root of 1130231087 is about 1041.6514341481.

Adding to 1130231087 its reverse (7801320311), we get a palindrome (8931551398).

The spelling of 1130231087 in words is "one billion, one hundred thirty million, two hundred thirty-one thousand, eighty-seven".