1140804 has 60 divisors (see below), whose sum is σ = 3415104. Its totient is φ = 325296.

The previous prime is 1140803. The next prime is 1140847. The reversal of 1140804 is 4080411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1140803) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2017 + ... + 2519.

2^1140804 is an apocalyptic number.

1140804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707552).

1140804 is an abundant number, since it is smaller than the sum of its proper divisors (2274300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140804 is a wasteful number, since it uses less digits than its factorization.

1140804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1140804 is about 1068.0842663386. The cubic root of 1140804 is about 104.4889452070.

It can be divided in two parts, 11 and 40804, that multiplied together give a palindrome (448844).

The spelling of 1140804 in words is "one million, one hundred forty thousand, eight hundred four".