1232239 has 4 divisors (see below), whose sum is σ = 1274760. Its totient is φ = 1189720.

The previous prime is 1232227. The next prime is 1232243. The reversal of 1232239 is 9322321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9322321 = 727 ⋅12823.

It is a cyclic number.

It is not a de Polignac number, because 1232239 - 2¹⁹ = 707951 is a prime.

It is a Duffinian number.

1232239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21217 + ... + 21274.

It is an arithmetic number, because the mean of its divisors is an integer number (318690).

2^1232239 is an apocalyptic number.

1232239 is a deficient number, since it is larger than the sum of its proper divisors (42521).

1232239 is an equidigital number, since it uses as much as digits as its factorization.

1232239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42520.

The product of its digits is 648, while the sum is 22.

The square root of 1232239 is about 1110.0626108468. The cubic root of 1232239 is about 107.2090999459.

The spelling of 1232239 in words is "one million, two hundred thirty-two thousand, two hundred thirty-nine".