1082005 has 4 divisors (see below), whose sum is σ = 1298412. Its totient is φ = 865600.

The previous prime is 1081981. The next prime is 1082017. The reversal of 1082005 is 5002801.

It is a happy number.

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 531441 + 550564 = 729^2 + 742^2 .

It is not a de Polignac number, because 1082005 - 2¹¹ = 1079957 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 1082005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108196 + ... + 108205.

It is an arithmetic number, because the mean of its divisors is an integer number (324603).

2^1082005 is an apocalyptic number.

It is an amenable number.

1082005 is a deficient number, since it is larger than the sum of its proper divisors (216407).

1082005 is an equidigital number, since it uses as much as digits as its factorization.

1082005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216406.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1082005 is about 1040.1946933147. The cubic root of 1082005 is about 102.6620083248.

Adding to 1082005 its reverse (5002801), we get a palindrome (6084806).

The spelling of 1082005 in words is "one million, eighty-two thousand, five".