1082785 has 8 divisors (see below), whose sum is σ = 1417536. Its totient is φ = 787440.

The previous prime is 1082777. The next prime is 1082801. The reversal of 1082785 is 5872801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1082785 - 2³ = 1082777 is a prime.

It is a Duffinian number.

1082785 is a lucky 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 7 ways as a sum of consecutive naturals, for example, 9789 + ... + 9898.

It is an arithmetic number, because the mean of its divisors is an integer number (177192).

2^1082785 is an apocalyptic number.

It is an amenable number.

1082785 is a deficient number, since it is larger than the sum of its proper divisors (334751).

1082785 is a wasteful number, since it uses less digits than its factorization.

1082785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19703.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1082785 is about 1040.5695555800. The cubic root of 1082785 is about 102.6866715295.

The spelling of 1082785 in words is "one million, eighty-two thousand, seven hundred eighty-five".