1803112 has 16 divisors (see below), whose sum is σ = 3397860. Its totient is φ = 897024.

The previous prime is 1803103. The next prime is 1803127. The reversal of 1803112 is 2113081.

It can be written as a sum of positive squares in 2 ways, for example, as 1359556 + 443556 = 1166^2 + 666^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618 + ... + 2494.

2^1803112 is an apocalyptic number.

It is an amenable number.

1803112 is a deficient number, since it is larger than the sum of its proper divisors (1594748).

1803112 is a wasteful number, since it uses less digits than its factorization.

1803112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1803112 is about 1342.8000595770. The cubic root of 1803112 is about 121.7141025598.

Adding to 1803112 its reverse (2113081), we get a palindrome (3916193).

The spelling of 1803112 in words is "one million, eight hundred three thousand, one hundred twelve".