1132521043 has 4 divisors (see below), whose sum is σ = 1132862760. Its totient is φ = 1132179328.

The previous prime is 1132521031. The next prime is 1132521067. The reversal of 1132521043 is 3401252311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1132521043 - 2¹⁷ = 1132389971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132521073) 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 in 3 ways as a sum of consecutive naturals, for example, 165838 + ... + 172531.

It is an arithmetic number, because the mean of its divisors is an integer number (283215690).

Almost surely, 2^1132521043 is an apocalyptic number.

1132521043 is a deficient number, since it is larger than the sum of its proper divisors (341717).

1132521043 is an equidigital number, since it uses as much as digits as its factorization.

1132521043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341716.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1132521043 is about 33652.9499895626. The cubic root of 1132521043 is about 1042.3544546239.

Adding to 1132521043 its reverse (3401252311), we get a palindrome (4533773354).

The spelling of 1132521043 in words is "one billion, one hundred thirty-two million, five hundred twenty-one thousand, forty-three".