1231232 has 16 divisors (see below), whose sum is σ = 2453100. Its totient is φ = 615552.

The previous prime is 1231231. The next prime is 1231247. The reversal of 1231232 is 2321321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231231) by changing a digit.

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 as a sum of consecutive naturals, namely, 4682 + ... + 4937.

2^1231232 is an apocalyptic number.

It is an amenable number.

1231232 is a deficient number, since it is larger than the sum of its proper divisors (1221868).

1231232 is an frugal number, since it uses more digits than its factorization.

1231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9633 (or 9621 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 1231232 is about 1109.6089401226. The cubic root of 1231232 is about 107.1798878138.

Adding to 1231232 its reverse (2321321), we get a palindrome (3552553).

The spelling of 1231232 in words is "one million, two hundred thirty-one thousand, two hundred thirty-two".