1143203132 has 12 divisors (see below), whose sum is σ = 2087588496. Its totient is φ = 546749280.

The previous prime is 1143203129. The next prime is 1143203147. The reversal of 1143203132 is 2313023411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6212969 + ... + 6213152.

It is an arithmetic number, because the mean of its divisors is an integer number (173965708).

Almost surely, 2^1143203132 is an apocalyptic number.

It is an amenable number.

1143203132 is a deficient number, since it is larger than the sum of its proper divisors (944385364).

1143203132 is a wasteful number, since it uses less digits than its factorization.

1143203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12426148 (or 12426146 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1143203132 is about 33811.2870503328. The cubic root of 1143203132 is about 1045.6214131747.

Adding to 1143203132 its reverse (2313023411), we get a palindrome (3456226543).

The spelling of 1143203132 in words is "one billion, one hundred forty-three million, two hundred three thousand, one hundred thirty-two".