1016243 has 4 divisors (see below), whose sum is σ = 1076040. Its totient is φ = 956448.

The previous prime is 1016237. The next prime is 1016263. The reversal of 1016243 is 3426101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1016243 - 2⁴ = 1016227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 59779 = 1016243 / (1 + 0 + 1 + 6 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29873 + ... + 29906.

It is an arithmetic number, because the mean of its divisors is an integer number (269010).

2^1016243 is an apocalyptic number.

1016243 is a deficient number, since it is larger than the sum of its proper divisors (59797).

1016243 is an equidigital number, since it uses as much as digits as its factorization.

1016243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59796.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1016243 is about 1008.0887857724. The cubic root of 1016243 is about 100.5385280032.

The spelling of 1016243 in words is "one million, sixteen thousand, two hundred forty-three".