1223201 has 16 divisors (see below), whose sum is σ = 1560960. Its totient is φ = 933120.

The previous prime is 1223197. The next prime is 1223203. The reversal of 1223201 is 1023221.

It is a happy number.

1223201 is nontrivially palindromic in base 16.

It is a cyclic number.

It is not a de Polignac number, because 1223201 - 2² = 1223197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (97560).

2^1223201 is an apocalyptic number.

It is an amenable number.

1223201 is a deficient number, since it is larger than the sum of its proper divisors (337759).

1223201 is a wasteful number, since it uses less digits than its factorization.

1223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1223201 is about 1105.9841771020. The cubic root of 1223201 is about 106.9463439603.

Adding to 1223201 its reverse (1023221), we get a palindrome (2246422).

The spelling of 1223201 in words is "one million, two hundred twenty-three thousand, two hundred one".