1018243 has 4 divisors (see below), whose sum is σ = 1027368. Its totient is φ = 1009120.

The previous prime is 1018223. The next prime is 1018247. The reversal of 1018243 is 3428101.

1018243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3428101 = 17 ⋅201653.

It is a cyclic number.

It is not a de Polignac number, because 1018243 - 2¹⁷ = 887171 is a prime.

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 1018243.

It is not an unprimeable number, because it can be changed into a prime (1018247) 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, 4393 + ... + 4618.

It is an arithmetic number, because the mean of its divisors is an integer number (256842).

2^1018243 is an apocalyptic number.

1018243 is a deficient number, since it is larger than the sum of its proper divisors (9125).

1018243 is an equidigital number, since it uses as much as digits as its factorization.

1018243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1018243 is about 1009.0802743092. The cubic root of 1018243 is about 100.6044391719.

The spelling of 1018243 in words is "one million, eighteen thousand, two hundred forty-three".