1152267143 has 2 divisors, whose sum is σ = 1152267144. Its totient is φ = 1152267142.

The previous prime is 1152267131. The next prime is 1152267163. The reversal of 1152267143 is 3417622511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1152267143 - 2⁶ = 1152267079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152267163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576133571 + 576133572.

It is an arithmetic number, because the mean of its divisors is an integer number (576133572).

Almost surely, 2^1152267143 is an apocalyptic number.

1152267143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152267143 is an equidigital number, since it uses as much as digits as its factorization.

1152267143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 1152267143 is about 33945.0606568909. The cubic root of 1152267143 is about 1048.3775829854.

Adding to 1152267143 its reverse (3417622511), we get a palindrome (4569889654).

The spelling of 1152267143 in words is "one billion, one hundred fifty-two million, two hundred sixty-seven thousand, one hundred forty-three".