1112743 has 4 divisors (see below), whose sum is σ = 1114960. Its totient is φ = 1110528.

The previous prime is 1112737. The next prime is 1112747. The reversal of 1112743 is 3472111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3472111 = 337 ⋅10303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112743 is a prime.

It is a super-3 number, since 3×1112743³ = 4133385079864909221, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112747) 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, 46 + ... + 1492.

It is an arithmetic number, because the mean of its divisors is an integer number (278740).

2^1112743 is an apocalyptic number.

1112743 is a deficient number, since it is larger than the sum of its proper divisors (2217).

1112743 is an equidigital number, since it uses as much as digits as its factorization.

1112743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its digits is 168, while the sum is 19.

The square root of 1112743 is about 1054.8663422444. The cubic root of 1112743 is about 103.6250986431.

Adding to 1112743 its reverse (3472111), we get a palindrome (4584854).

The spelling of 1112743 in words is "one million, one hundred twelve thousand, seven hundred forty-three".