1111404 has 48 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 312000.

The previous prime is 1111399. The next prime is 1111423. The reversal of 1111404 is 4041111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1111404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8419 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (62832).

2^1111404 is an apocalyptic number.

1111404 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 1111404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507968).

1111404 is an abundant number, since it is smaller than the sum of its proper divisors (1904532).

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

1111404 is a wasteful number, since it uses less digits than its factorization.

1111404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1111404 is about 1054.2314736338. The cubic root of 1111404 is about 103.5835168044.

Adding to 1111404 its reverse (4041111), we get a palindrome (5152515).

It can be divided in two parts, 1111 and 404, that multiplied together give a palindrome (448844).

The spelling of 1111404 in words is "one million, one hundred eleven thousand, four hundred four".