1120404 has 24 divisors (see below), whose sum is σ = 2652160. Its totient is φ = 368064.

The previous prime is 1120391. The next prime is 1120423. The reversal of 1120404 is 4040211.

It is a Harshad number since it is a multiple of its sum of digits (12).

1120404 is a modest number, since divided by 404 gives 112 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1120404.

It is a congruent 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, 237 + ... + 1515.

2^1120404 is an apocalyptic number.

It is an amenable number.

1120404 is an abundant number, since it is smaller than the sum of its proper divisors (1531756).

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

1120404 is a wasteful number, since it uses less digits than its factorization.

1120404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1120404 is about 1058.4913792752. The cubic root of 1120404 is about 103.8623672480.

Adding to 1120404 its reverse (4040211), we get a palindrome (5160615).

The spelling of 1120404 in words is "one million, one hundred twenty thousand, four hundred four".