1231332 has 12 divisors (see below), whose sum is σ = 2873136. Its totient is φ = 410440.

The previous prime is 1231319. The next prime is 1231337. The reversal of 1231332 is 2331321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1231337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51294 + ... + 51317.

It is an arithmetic number, because the mean of its divisors is an integer number (239428).

2^1231332 is an apocalyptic number.

1231332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231332 is an abundant number, since it is smaller than the sum of its proper divisors (1641804).

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

1231332 is a wasteful number, since it uses less digits than its factorization.

1231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102618 (or 102616 counting only the distinct ones).

The product of its digits is 108, while the sum is 15.

The square root of 1231332 is about 1109.6540001280. The cubic root of 1231332 is about 107.1827894328.

Adding to 1231332 its reverse (2331321), we get a palindrome (3562653).

The spelling of 1231332 in words is "one million, two hundred thirty-one thousand, three hundred thirty-two".