1202321 has 2 divisors, whose sum is σ = 1202322. Its totient is φ = 1202320.

The previous prime is 1202317. The next prime is 1202329. The reversal of 1202321 is 1232021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 70225 = 1064^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202321 - 2² = 1202317 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1202329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601160 + 601161.

It is an arithmetic number, because the mean of its divisors is an integer number (601161).

2^1202321 is an apocalyptic number.

It is an amenable number.

1202321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202321 is an equidigital number, since it uses as much as digits as its factorization.

1202321 is an evil number, because the sum of its binary digits is even.

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

The square root of 1202321 is about 1096.5039899608. The cubic root of 1202321 is about 106.3343247539.

Adding to 1202321 its reverse (1232021), we get a palindrome (2434342).

The spelling of 1202321 in words is "one million, two hundred two thousand, three hundred twenty-one".