1081804 has 6 divisors (see below), whose sum is σ = 1893164. Its totient is φ = 540900.

The previous prime is 1081793. The next prime is 1081813. The reversal of 1081804 is 4081801.

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 as a sum of consecutive naturals, namely, 135222 + ... + 135229.

2^1081804 is an apocalyptic number.

It is an amenable number.

1081804 is a deficient number, since it is larger than the sum of its proper divisors (811360).

1081804 is a wasteful number, since it uses less digits than its factorization.

1081804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270455 (or 270453 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1081804 is about 1040.0980722990. The cubic root of 1081804 is about 102.6556508861.

The spelling of 1081804 in words is "one million, eighty-one thousand, eight hundred four".