1112784 has 40 divisors (see below), whose sum is σ = 2916480. Its totient is φ = 365568.

The previous prime is 1112779. The next prime is 1112789. The reversal of 1112784 is 4872111.

It is an interprime number because it is at equal distance from previous prime (1112779) and next prime (1112789).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4537 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (72912).

2^1112784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458240).

1112784 is an abundant number, since it is smaller than the sum of its proper divisors (1803696).

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

1112784 is a wasteful number, since it uses less digits than its factorization.

1112784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its digits is 448, while the sum is 24.

The square root of 1112784 is about 1054.8857758070. The cubic root of 1112784 is about 103.6263713470.

Adding to 1112784 its reverse (4872111), we get a palindrome (5984895).

It can be divided in two parts, 11127 and 84, that added together give a palindrome (11211).

The spelling of 1112784 in words is "one million, one hundred twelve thousand, seven hundred eighty-four".