1030240243 has 4 divisors (see below), whose sum is σ = 1030326480. Its totient is φ = 1030154008.

The previous prime is 1030240223. The next prime is 1030240301. The reversal of 1030240243 is 3420420301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1030240243 - 2⁹ = 1030239731 is a prime.

It is a super-2 number, since 2×1030240243² = 2122789916593398098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030240243.

It is not an unprimeable number, because it can be changed into a prime (1030240213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21628 + ... + 50281.

It is an arithmetic number, because the mean of its divisors is an integer number (257581620).

Almost surely, 2^1030240243 is an apocalyptic number.

1030240243 is a deficient number, since it is larger than the sum of its proper divisors (86237).

1030240243 is an equidigital number, since it uses as much as digits as its factorization.

1030240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86236.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1030240243 is about 32097.3557010543. The cubic root of 1030240243 is about 1009.9801463274.

Adding to 1030240243 its reverse (3420420301), we get a palindrome (4450660544).

The spelling of 1030240243 in words is "one billion, thirty million, two hundred forty thousand, two hundred forty-three".