1123804 has 12 divisors (see below), whose sum is σ = 2145528. Its totient is φ = 510800.

The previous prime is 1123777. The next prime is 1123807. The reversal of 1123804 is 4083211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12727 + ... + 12814.

It is an arithmetic number, because the mean of its divisors is an integer number (178794).

2^1123804 is an apocalyptic number.

It is an amenable number.

1123804 is a deficient number, since it is larger than the sum of its proper divisors (1021724).

1123804 is a wasteful number, since it uses less digits than its factorization.

1123804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25556 (or 25554 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1123804 is about 1060.0962220478. The cubic root of 1123804 is about 103.9673220805.

It can be divided in two parts, 112 and 3804, that added together give a triangular number (3916 = T₈₈).

The spelling of 1123804 in words is "one million, one hundred twenty-three thousand, eight hundred four".