1159559 has 4 divisors (see below), whose sum is σ = 1170504. Its totient is φ = 1148616.

The previous prime is 1159541. The next prime is 1159577. The reversal of 1159559 is 9559511.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1159541) and next prime (1159577).

It is a cyclic number.

It is not a de Polignac number, because 1159559 - 2⁸ = 1159303 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 (1159259) 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, 5312 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (292626).

2^1159559 is an apocalyptic number.

1159559 is a deficient number, since it is larger than the sum of its proper divisors (10945).

1159559 is a wasteful number, since it uses less digits than its factorization.

1159559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10944.

The product of its digits is 10125, while the sum is 35.

The square root of 1159559 is about 1076.8282128548. The cubic root of 1159559 is about 105.0584406343.

The spelling of 1159559 in words is "one million, one hundred fifty-nine thousand, five hundred fifty-nine".