1152543252 has 24 divisors (see below), whose sum is σ = 3073448896. Its totient is φ = 329298048.

The previous prime is 1152543239. The next prime is 1152543257. The reversal of 1152543252 is 2523452511.

It is a super-3 number, since 3×1152543252³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152543257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860293 + ... + 6860460.

Almost surely, 2^1152543252 is an apocalyptic number.

1152543252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1152543252 is an abundant number, since it is smaller than the sum of its proper divisors (1920905644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1152543252 is a wasteful number, since it uses less digits than its factorization.

1152543252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13720767 (or 13720765 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1152543252 is about 33949.1274114667. The cubic root of 1152543252 is about 1048.4613145431.

Adding to 1152543252 its reverse (2523452511), we get a palindrome (3675995763).

The spelling of 1152543252 in words is "one billion, one hundred fifty-two million, five hundred forty-three thousand, two hundred fifty-two".