1143632 has 20 divisors (see below), whose sum is σ = 2532576. Its totient is φ = 490080.

The previous prime is 1143619. The next prime is 1143643. The reversal of 1143632 is 2363411.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

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, 4994 + ... + 5217.

2^1143632 is an apocalyptic number.

It is an amenable number.

1143632 is an abundant number, since it is smaller than the sum of its proper divisors (1388944).

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

1143632 is a wasteful number, since it uses less digits than its factorization.

1143632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226 (or 10220 counting only the distinct ones).

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

The square root of 1143632 is about 1069.4073124867. The cubic root of 1143632 is about 104.5752150366.

The spelling of 1143632 in words is "one million, one hundred forty-three thousand, six hundred thirty-two".