1132256243 has 2 divisors, whose sum is σ = 1132256244. Its totient is φ = 1132256242.

The previous prime is 1132256233. The next prime is 1132256297. The reversal of 1132256243 is 3426522311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132256243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1132256233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566128121 + 566128122.

It is an arithmetic number, because the mean of its divisors is an integer number (566128122).

Almost surely, 2^1132256243 is an apocalyptic number.

1132256243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132256243 is an equidigital number, since it uses as much as digits as its factorization.

1132256243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 1132256243 is about 33649.0154833689. The cubic root of 1132256243 is about 1042.2732090476.

Adding to 1132256243 its reverse (3426522311), we get a palindrome (4558778554).

The spelling of 1132256243 in words is "one billion, one hundred thirty-two million, two hundred fifty-six thousand, two hundred forty-three".