1232205 has 32 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 591360.

The previous prime is 1232201. The next prime is 1232213. The reversal of 1232205 is 5022321.

It is not a de Polignac number, because 1232205 - 2² = 1232201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232201) 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 31 ways as a sum of consecutive naturals, for example, 13801 + ... + 13889.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1232205 is an apocalyptic number.

1232205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232205 is a deficient number, since it is larger than the sum of its proper divisors (945075).

1232205 is a wasteful number, since it uses less digits than its factorization.

1232205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1232205 is about 1110.0472962897. The cubic root of 1232205 is about 107.2081138972.

Adding to 1232205 its reverse (5022321), we get a palindrome (6254526).

The spelling of 1232205 in words is "one million, two hundred thirty-two thousand, two hundred five".