1018085 has 4 divisors (see below), whose sum is σ = 1221708. Its totient is φ = 814464.

The previous prime is 1018057. The next prime is 1018091. The reversal of 1018085 is 5808101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 368449 + 649636 = 607^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 1018085 - 2⁶ = 1018021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1018085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101804 + ... + 101813.

It is an arithmetic number, because the mean of its divisors is an integer number (305427).

2^1018085 is an apocalyptic number.

It is an amenable number.

1018085 is a deficient number, since it is larger than the sum of its proper divisors (203623).

1018085 is an equidigital number, since it uses as much as digits as its factorization.

1018085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203622.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 1018085 is about 1009.0019821586. The cubic root of 1018085 is about 100.5992353310.

The spelling of 1018085 in words is "one million, eighteen thousand, eighty-five".