1000204243 has 8 divisors (see below), whose sum is σ = 1077359616. Its totient is φ = 925854600.

The previous prime is 1000204241. The next prime is 1000204259. The reversal of 1000204243 is 3424020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000204243 - 2¹ = 1000204241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000204241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700693 + ... + 702118.

It is an arithmetic number, because the mean of its divisors is an integer number (134669952).

Almost surely, 2^1000204243 is an apocalyptic number.

1000204243 is a deficient number, since it is larger than the sum of its proper divisors (77155373).

1000204243 is a wasteful number, since it uses less digits than its factorization.

1000204243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402865.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1000204243 is about 31626.0058021875. The cubic root of 1000204243 is about 1000.0680763655.

Adding to 1000204243 its reverse (3424020001), we get a palindrome (4424224244).

The spelling of 1000204243 in words is "one billion, two hundred four thousand, two hundred forty-three".