1232609 has 4 divisors (see below), whose sum is σ = 1408704. Its totient is φ = 1056516.

The previous prime is 1232603. The next prime is 1232611. The reversal of 1232609 is 9062321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232609 - 2⁸ = 1232353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232603) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 88037 + ... + 88050.

It is an arithmetic number, because the mean of its divisors is an integer number (352176).

2^1232609 is an apocalyptic number.

It is an amenable number.

1232609 is a deficient number, since it is larger than the sum of its proper divisors (176095).

1232609 is an equidigital number, since it uses as much as digits as its factorization.

1232609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176094.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1232609 is about 1110.2292556044. The cubic root of 1232609 is about 107.2198293032.

The spelling of 1232609 in words is "one million, two hundred thirty-two thousand, six hundred nine".