1108743 has 4 divisors (see below), whose sum is σ = 1478328. Its totient is φ = 739160.

The previous prime is 1108739. The next prime is 1108747. The reversal of 1108743 is 3478011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3478011 = 3 ⋅1159337.

It is an interprime number because it is at equal distance from previous prime (1108739) and next prime (1108747).

It is a cyclic number.

It is not a de Polignac number, because 1108743 - 2² = 1108739 is a prime.

It is a super-2 number, since 2×1108743² = 2458622080098, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108747) 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, 184788 + ... + 184793.

It is an arithmetic number, because the mean of its divisors is an integer number (369582).

2^1108743 is an apocalyptic number.

1108743 is a deficient number, since it is larger than the sum of its proper divisors (369585).

1108743 is an equidigital number, since it uses as much as digits as its factorization.

1108743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369584.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1108743 is about 1052.9686605023. The cubic root of 1108743 is about 103.5007818093.

The spelling of 1108743 in words is "one million, one hundred eight thousand, seven hundred forty-three".