1024220243 has 4 divisors (see below), whose sum is σ = 1025574000. Its totient is φ = 1022866488.

The previous prime is 1024220209. The next prime is 1024220261. The reversal of 1024220243 is 3420224201.

1024220243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-1024220243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024220143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675743 + ... + 677256.

It is an arithmetic number, because the mean of its divisors is an integer number (256393500).

Almost surely, 2^1024220243 is an apocalyptic number.

1024220243 is a deficient number, since it is larger than the sum of its proper divisors (1353757).

1024220243 is an equidigital number, since it uses as much as digits as its factorization.

1024220243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353756.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1024220243 is about 32003.4411118555. The cubic root of 1024220243 is about 1008.0090974419.

Adding to 1024220243 its reverse (3420224201), we get a palindrome (4444444444).

The spelling of 1024220243 in words is "one billion, twenty-four million, two hundred twenty thousand, two hundred forty-three".