1232442 has 32 divisors (see below), whose sum is σ = 2836800. Its totient is φ = 396144.

The previous prime is 1232437. The next prime is 1232453. The reversal of 1232442 is 2442321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 1959.

It is an arithmetic number, because the mean of its divisors is an integer number (88650).

2^1232442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418400).

1232442 is an abundant number, since it is smaller than the sum of its proper divisors (1604358).

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

1232442 is a wasteful number, since it uses less digits than its factorization.

1232442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 821 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1232442 is about 1110.1540433652. The cubic root of 1232442 is about 107.2149868592.

Adding to 1232442 its reverse (2442321), we get a palindrome (3674763).

The spelling of 1232442 in words is "one million, two hundred thirty-two thousand, four hundred forty-two".