1231132 has 12 divisors (see below), whose sum is σ = 2462320. Its totient is φ = 527616.

The previous prime is 1231129. The next prime is 1231141. The reversal of 1231132 is 2311321.

1231132 is an admirable number.

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, 21957 + ... + 22012.

2^1231132 is an apocalyptic number.

It is an amenable number.

1231132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1231132 is a wasteful number, since it uses less digits than its factorization.

1231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43980 (or 43978 counting only the distinct ones).

The product of its digits is 36, while the sum is 13.

The square root of 1231132 is about 1109.5638782873. The cubic root of 1231132 is about 107.1769860376.

Adding to 1231132 its reverse (2311321), we get a palindrome (3542453).

The spelling of 1231132 in words is "one million, two hundred thirty-one thousand, one hundred thirty-two".