1131632 has 20 divisors (see below), whose sum is σ = 2216376. Its totient is φ = 559680.

The previous prime is 1131629. The next prime is 1131643. The reversal of 1131632 is 2361311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 2042.

2^1131632 is an apocalyptic number.

It is an amenable number.

1131632 is a deficient number, since it is larger than the sum of its proper divisors (1084744).

1131632 is a wasteful number, since it uses less digits than its factorization.

1131632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 1131632 is about 1063.7819325407. The cubic root of 1131632 is about 104.2081629516.

Adding to 1131632 its reverse (2361311), we get a palindrome (3492943).

The spelling of 1131632 in words is "one million, one hundred thirty-one thousand, six hundred thirty-two".