1152303243 has 96 divisors (see below), whose sum is σ = 2021591040. Its totient is φ = 568339200.

The previous prime is 1152303239. The next prime is 1152303259. The reversal of 1152303243 is 3423032511.

It is not a de Polignac number, because 1152303243 - 2² = 1152303239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152303143) 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 95 ways as a sum of consecutive naturals, for example, 11408893 + ... + 11408993.

It is an arithmetic number, because the mean of its divisors is an integer number (21058240).

Almost surely, 2^1152303243 is an apocalyptic number.

1152303243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1152303243 is a deficient number, since it is larger than the sum of its proper divisors (869287797).

1152303243 is a wasteful number, since it uses less digits than its factorization.

1152303243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1152303243 is about 33945.5923943006. The cubic root of 1152303243 is about 1048.3885312670.

Adding to 1152303243 its reverse (3423032511), we get a palindrome (4575335754).

The spelling of 1152303243 in words is "one billion, one hundred fifty-two million, three hundred three thousand, two hundred forty-three".