1232320 has 28 divisors (see below), whose sum is σ = 2935224. Its totient is φ = 492800.

The previous prime is 1232299. The next prime is 1232327. The reversal of 1232320 is 232321.

It is a happy number.

It is a super-2 number, since 2×1232320² = 3037225164800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232327) 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, 1606 + ... + 2245.

2^1232320 is an apocalyptic number.

1232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232320 is an abundant number, since it is smaller than the sum of its proper divisors (1702904).

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

1232320 is an equidigital number, since it uses as much as digits as its factorization.

1232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1232320 is about 1110.0990946758. The cubic root of 1232320 is about 107.2114489888.

Adding to 1232320 its reverse (232321), we get a palindrome (1464641).

Subtracting from 1232320 its reverse (232321), we obtain a palindrome (999999).

The spelling of 1232320 in words is "one million, two hundred thirty-two thousand, three hundred twenty".