1159262287 has 2 divisors, whose sum is σ = 1159262288. Its totient is φ = 1159262286.

The previous prime is 1159262243. The next prime is 1159262309. The reversal of 1159262287 is 7822629511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1159262287 - 2²³ = 1150873679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1159202287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579631143 + 579631144.

It is an arithmetic number, because the mean of its divisors is an integer number (579631144).

Almost surely, 2^1159262287 is an apocalyptic number.

1159262287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159262287 is an equidigital number, since it uses as much as digits as its factorization.

1159262287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 1159262287 is about 34047.9410096998. The cubic root of 1159262287 is about 1050.4947893294.

The spelling of 1159262287 in words is "one billion, one hundred fifty-nine million, two hundred sixty-two thousand, two hundred eighty-seven".