1155585 has 16 divisors (see below), whose sum is σ = 1895040. Its totient is φ = 600960.

The previous prime is 1155577. The next prime is 1155601. The reversal of 1155585 is 5855511.

It is not a de Polignac number, because 1155585 - 2³ = 1155577 is a prime.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 1554.

It is an arithmetic number, because the mean of its divisors is an integer number (118440).

2^1155585 is an apocalyptic number.

1155585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1155585 is a deficient number, since it is larger than the sum of its proper divisors (739455).

1155585 is a wasteful number, since it uses less digits than its factorization.

1155585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its digits is 5000, while the sum is 30.

The square root of 1155585 is about 1074.9813951878. The cubic root of 1155585 is about 104.9382857297.

The spelling of 1155585 in words is "one million, one hundred fifty-five thousand, five hundred eighty-five".