1141430243 has 2 divisors, whose sum is σ = 1141430244. Its totient is φ = 1141430242.

The previous prime is 1141430239. The next prime is 1141430309. The reversal of 1141430243 is 3420341411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1141430243 - 2² = 1141430239 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141490243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570715121 + 570715122.

It is an arithmetic number, because the mean of its divisors is an integer number (570715122).

Almost surely, 2^1141430243 is an apocalyptic number.

1141430243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141430243 is an equidigital number, since it uses as much as digits as its factorization.

1141430243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1141430243 is about 33785.0594642070. The cubic root of 1141430243 is about 1045.0806140355.

Adding to 1141430243 its reverse (3420341411), we get a palindrome (4561771654).

The spelling of 1141430243 in words is "one billion, one hundred forty-one million, four hundred thirty thousand, two hundred forty-three".