1004242243 has 4 divisors (see below), whose sum is σ = 1004409000. Its totient is φ = 1004075488.

The previous prime is 1004242237. The next prime is 1004242259. The reversal of 1004242243 is 3422424001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004242243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004242543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73993 + ... + 86506.

It is an arithmetic number, because the mean of its divisors is an integer number (251102250).

Almost surely, 2^1004242243 is an apocalyptic number.

1004242243 is a deficient number, since it is larger than the sum of its proper divisors (166757).

1004242243 is an equidigital number, since it uses as much as digits as its factorization.

1004242243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166756.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1004242243 is about 31689.7813656074. The cubic root of 1004242243 is about 1001.4120860744.

Adding to 1004242243 its reverse (3422424001), we get a palindrome (4426666244).

The spelling of 1004242243 in words is "one billion, four million, two hundred forty-two thousand, two hundred forty-three".