1243232 has 12 divisors (see below), whose sum is σ = 2447676. Its totient is φ = 621600.

The previous prime is 1243211. The next prime is 1243271. The reversal of 1243232 is 2323421.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19394 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (203973).

2^1243232 is an apocalyptic number.

It is an amenable number.

1243232 is a deficient number, since it is larger than the sum of its proper divisors (1204444).

1243232 is an equidigital number, since it uses as much as digits as its factorization.

1243232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38861 (or 38853 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 1243232 is about 1115.0031390090. The cubic root of 1243232 is about 107.5269663736.

Adding to 1243232 its reverse (2323421), we get a palindrome (3566653).

The spelling of 1243232 in words is "one million, two hundred forty-three thousand, two hundred thirty-two".