1152451231 has 2 divisors, whose sum is σ = 1152451232. Its totient is φ = 1152451230.

The previous prime is 1152451229. The next prime is 1152451249. The reversal of 1152451231 is 1321542511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1152451231 - 2¹ = 1152451229 is a prime.

It is a super-2 number, since 2×1152451231² = 2656287679666830722, which contains 22 as substring.

Together with 1152451229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1152451196 and 1152451205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152451031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576225615 + 576225616.

It is an arithmetic number, because the mean of its divisors is an integer number (576225616).

Almost surely, 2^1152451231 is an apocalyptic number.

1152451231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152451231 is an equidigital number, since it uses as much as digits as its factorization.

1152451231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 1152451231 is about 33947.7721065757. The cubic root of 1152451231 is about 1048.4334101596.

Adding to 1152451231 its reverse (1321542511), we get a palindrome (2473993742).

The spelling of 1152451231 in words is "one billion, one hundred fifty-two million, four hundred fifty-one thousand, two hundred thirty-one".