1140030243 has 24 divisors (see below), whose sum is σ = 1797709680. Its totient is φ = 690428160.

The previous prime is 1140030211. The next prime is 1140030317. The reversal of 1140030243 is 3420300411.

It is not a de Polignac number, because 1140030243 - 2⁵ = 1140030211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140030043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170263 + ... + 176831.

It is an arithmetic number, because the mean of its divisors is an integer number (74904570).

Almost surely, 2^1140030243 is an apocalyptic number.

1140030243 is a deficient number, since it is larger than the sum of its proper divisors (657679437).

1140030243 is a wasteful number, since it uses less digits than its factorization.

1140030243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339 (or 8336 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1140030243 is about 33764.3338894757. Note that the first 3 decimals coincide. The cubic root of 1140030243 is about 1044.6531645085.

Adding to 1140030243 its reverse (3420300411), we get a palindrome (4560330654).

The spelling of 1140030243 in words is "one billion, one hundred forty million, thirty thousand, two hundred forty-three".