1140043403 has 2 divisors, whose sum is σ = 1140043404. Its totient is φ = 1140043402.

The previous prime is 1140043397. The next prime is 1140043423. The reversal of 1140043403 is 3043400411.

It is a happy number.

It is an a-pointer prime, because the next prime (1140043423) can be obtained adding 1140043403 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140043403 - 2⁸ = 1140043147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140043423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570021701 + 570021702.

It is an arithmetic number, because the mean of its divisors is an integer number (570021702).

Almost surely, 2^1140043403 is an apocalyptic number.

1140043403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140043403 is an equidigital number, since it uses as much as digits as its factorization.

1140043403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1140043403 is about 33764.5287691092. The cubic root of 1140043403 is about 1044.6571841629.

Adding to 1140043403 its reverse (3043400411), we get a palindrome (4183443814).

The spelling of 1140043403 in words is "one billion, one hundred forty million, forty-three thousand, four hundred three".