1159289 has 4 divisors (see below), whose sum is σ = 1164624. Its totient is φ = 1153956.

The previous prime is 1159283. The next prime is 1159303. The reversal of 1159289 is 9829511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1159289 - 2¹⁶ = 1093753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159283) 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, 2327 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (291156).

2^1159289 is an apocalyptic number.

It is an amenable number.

1159289 is a deficient number, since it is larger than the sum of its proper divisors (5335).

1159289 is an equidigital number, since it uses as much as digits as its factorization.

1159289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334.

The product of its digits is 6480, while the sum is 35.

The square root of 1159289 is about 1076.7028373697. The cubic root of 1159289 is about 105.0502858154.

The spelling of 1159289 in words is "one million, one hundred fifty-nine thousand, two hundred eighty-nine".