1140012443 has 2 divisors, whose sum is σ = 1140012444. Its totient is φ = 1140012442.

The previous prime is 1140012413. The next prime is 1140012449. The reversal of 1140012443 is 3442100411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140012443 - 2⁸ = 1140012187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140012449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570006221 + 570006222.

It is an arithmetic number, because the mean of its divisors is an integer number (570006222).

Almost surely, 2^1140012443 is an apocalyptic number.

1140012443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140012443 is an equidigital number, since it uses as much as digits as its factorization.

1140012443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140012443 is about 33764.0702966926. The cubic root of 1140012443 is about 1044.6477275408.

Adding to 1140012443 its reverse (3442100411), we get a palindrome (4582112854).

The spelling of 1140012443 in words is "one billion, one hundred forty million, twelve thousand, four hundred forty-three".