1020243443 has 8 divisors (see below), whose sum is σ = 1024166400. Its totient is φ = 1016327808.

The previous prime is 1020243431. The next prime is 1020243479. The reversal of 1020243443 is 3443420201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020243443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020243493) 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, 569393 + ... + 571181.

It is an arithmetic number, because the mean of its divisors is an integer number (128020800).

Almost surely, 2^1020243443 is an apocalyptic number.

1020243443 is a deficient number, since it is larger than the sum of its proper divisors (3922957).

1020243443 is a wasteful number, since it uses less digits than its factorization.

1020243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1020243443 is about 31941.2498659649. The cubic root of 1020243443 is about 1006.7027866056.

Adding to 1020243443 its reverse (3443420201), we get a palindrome (4463663644).

The spelling of 1020243443 in words is "one billion, twenty million, two hundred forty-three thousand, four hundred forty-three".