1140424243 has 8 divisors (see below), whose sum is σ = 1380009312. Its totient is φ = 920006016.

The previous prime is 1140424189. The next prime is 1140424279. The reversal of 1140424243 is 3424240411.

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 1140424243 - 2¹⁷ = 1140293171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140424283) 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 7 ways as a sum of consecutive naturals, for example, 4791580 + ... + 4791817.

It is an arithmetic number, because the mean of its divisors is an integer number (172501164).

Almost surely, 2^1140424243 is an apocalyptic number.

1140424243 is a deficient number, since it is larger than the sum of its proper divisors (239585069).

1140424243 is an equidigital number, since it uses as much as digits as its factorization.

1140424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583421.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1140424243 is about 33770.1679445039. The cubic root of 1140424243 is about 1044.7734963864.

Adding to 1140424243 its reverse (3424240411), we get a palindrome (4564664654).

The spelling of 1140424243 in words is "one billion, one hundred forty million, four hundred twenty-four thousand, two hundred forty-three".