1159585 has 12 divisors (see below), whose sum is σ = 1619028. Its totient is φ = 794976.

The previous prime is 1159583. The next prime is 1159597. The reversal of 1159585 is 5859511.

It can be written as a sum of positive squares in 2 ways, for example, as 305809 + 853776 = 553^2 + 924^2 .

It is not a de Polignac number, because 1159585 - 2¹ = 1159583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1159585.

It is not an unprimeable number, because it can be changed into a prime (1159583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (134919).

2^1159585 is an apocalyptic number.

It is an amenable number.

1159585 is a deficient number, since it is larger than the sum of its proper divisors (459443).

1159585 is an equidigital number, since it uses as much as digits as its factorization.

1159585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 4745 counting only the distinct ones).

The product of its digits is 9000, while the sum is 34.

The square root of 1159585 is about 1076.8402852791. The cubic root of 1159585 is about 105.0592258463.

The spelling of 1159585 in words is "one million, one hundred fifty-nine thousand, five hundred eighty-five".