1012243 has 4 divisors (see below), whose sum is σ = 1044928. Its totient is φ = 979560.

The previous prime is 1012241. The next prime is 1012259. The reversal of 1012243 is 3422101.

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 1012243 - 2¹ = 1012241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012241) 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, 16296 + ... + 16357.

It is an arithmetic number, because the mean of its divisors is an integer number (261232).

2^1012243 is an apocalyptic number.

1012243 is a deficient number, since it is larger than the sum of its proper divisors (32685).

1012243 is an equidigital number, since it uses as much as digits as its factorization.

1012243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32684.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1012243 is about 1006.1028774435. The cubic root of 1012243 is about 100.4064457801.

Adding to 1012243 its reverse (3422101), we get a palindrome (4434344).

The spelling of 1012243 in words is "one million, twelve thousand, two hundred forty-three".