1132520243 has 4 divisors (see below), whose sum is σ = 1140121200. Its totient is φ = 1124919288.

The previous prime is 1132520189. The next prime is 1132520357. The reversal of 1132520243 is 3420252311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420252311 = 7 ⋅488607473.

It is a cyclic number.

It is not a de Polignac number, because 1132520243 - 2⁸ = 1132519987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132520743) 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, 3800255 + ... + 3800552.

It is an arithmetic number, because the mean of its divisors is an integer number (285030300).

Almost surely, 2^1132520243 is an apocalyptic number.

1132520243 is a deficient number, since it is larger than the sum of its proper divisors (7600957).

1132520243 is an equidigital number, since it uses as much as digits as its factorization.

1132520243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600956.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1132520243 is about 33652.9381035297. The cubic root of 1132520243 is about 1042.3542091881.

Adding to 1132520243 its reverse (3420252311), we get a palindrome (4552772554).

The spelling of 1132520243 in words is "one billion, one hundred thirty-two million, five hundred twenty thousand, two hundred forty-three".