1045843 has 4 divisors (see below), whose sum is σ = 1050640. Its totient is φ = 1041048.

The previous prime is 1045841. The next prime is 1045859. The reversal of 1045843 is 3485401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3485401 = 79 ⋅44119.

It is a cyclic number.

It is not a de Polignac number, because 1045843 - 2¹ = 1045841 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1045841) 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, 2055 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (262660).

2^1045843 is an apocalyptic number.

1045843 is a deficient number, since it is larger than the sum of its proper divisors (4797).

1045843 is an equidigital number, since it uses as much as digits as its factorization.

1045843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1045843 is about 1022.6646566690. The cubic root of 1045843 is about 101.5053262268.

It can be divided in two parts, 10458 and 43, that added together give a palindrome (10501).

The spelling of 1045843 in words is "one million, forty-five thousand, eight hundred forty-three".