1143202087 has 2 divisors, whose sum is σ = 1143202088. Its totient is φ = 1143202086.

The previous prime is 1143202079. The next prime is 1143202157. The reversal of 1143202087 is 7802023411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143202087 - 2³ = 1143202079 is a prime.

It is a super-2 number, since 2×1143202087² = 2613822023442311138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143200087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571601043 + 571601044.

It is an arithmetic number, because the mean of its divisors is an integer number (571601044).

Almost surely, 2^1143202087 is an apocalyptic number.

1143202087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143202087 is an equidigital number, since it uses as much as digits as its factorization.

1143202087 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 28.

The square root of 1143202087 is about 33811.2715969098. The cubic root of 1143202087 is about 1045.6210945743.

Adding to 1143202087 its reverse (7802023411), we get a palindrome (8945225498).

The spelling of 1143202087 in words is "one billion, one hundred forty-three million, two hundred two thousand, eighty-seven".