1159924287 has 4 divisors (see below), whose sum is σ = 1546565720. Its totient is φ = 773282856.

The previous prime is 1159924279. The next prime is 1159924289. The reversal of 1159924287 is 7824299511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1159924287 - 2³ = 1159924279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159924289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193320712 + ... + 193320717.

It is an arithmetic number, because the mean of its divisors is an integer number (386641430).

Almost surely, 2^1159924287 is an apocalyptic number.

1159924287 is a deficient number, since it is larger than the sum of its proper divisors (386641433).

1159924287 is an equidigital number, since it uses as much as digits as its factorization.

1159924287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386641432.

The product of its digits is 362880, while the sum is 48.

The square root of 1159924287 is about 34057.6612086033. The cubic root of 1159924287 is about 1050.6947139496.

The spelling of 1159924287 in words is "one billion, one hundred fifty-nine million, nine hundred twenty-four thousand, two hundred eighty-seven".