1143252 has 36 divisors (see below), whose sum is σ = 3153696. Its totient is φ = 346320.

The previous prime is 1143239. The next prime is 1143257. The reversal of 1143252 is 2523411.

1143252 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048 + ... + 1839.

2^1143252 is an apocalyptic number.

1143252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143252 is an abundant number, since it is smaller than the sum of its proper divisors (2010444).

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

1143252 is a wasteful number, since it uses less digits than its factorization.

1143252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2903 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1143252 is about 1069.2296292191. The cubic root of 1143252 is about 104.5636311868.

Adding to 1143252 its reverse (2523411), we get a palindrome (3666663).

The spelling of 1143252 in words is "one million, one hundred forty-three thousand, two hundred fifty-two".