1323201 has 16 divisors (see below), whose sum is σ = 1948608. Its totient is φ = 792000.

The previous prime is 1323199. The next prime is 1323221. The reversal of 1323201 is 1023231.

It is a happy number.

It is not a de Polignac number, because 1323201 - 2¹ = 1323199 is a prime.

1323201 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (121788).

2^1323201 is an apocalyptic number.

1323201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323201 is a deficient number, since it is larger than the sum of its proper divisors (625407).

1323201 is a wasteful number, since it uses less digits than its factorization.

1323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1323201 is about 1150.3047422314. The cubic root of 1323201 is about 109.7847305086.

Adding to 1323201 its reverse (1023231), we get a palindrome (2346432).

It can be divided in two parts, 132 and 3201, that added together give a palindrome (3333).

The spelling of 1323201 in words is "one million, three hundred twenty-three thousand, two hundred one".