1241321 has 2 divisors, whose sum is σ = 1241322. Its totient is φ = 1241320.

The previous prime is 1241291. The next prime is 1241341. The reversal of 1241321 is 1231421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1125721 + 115600 = 1061^2 + 340^2 .

It is an emirp because it is prime and its reverse (1231421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241321 - 2⁶ = 1241257 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241296 and 1241305.

It is not a weakly prime, because it can be changed into another prime (1241341) 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 as a sum of consecutive naturals, namely, 620660 + 620661.

It is an arithmetic number, because the mean of its divisors is an integer number (620661).

2^1241321 is an apocalyptic number.

It is an amenable number.

1241321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241321 is an equidigital number, since it uses as much as digits as its factorization.

1241321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 14.

The square root of 1241321 is about 1114.1458611869. The cubic root of 1241321 is about 107.4718440774.

Adding to 1241321 its reverse (1231421), we get a palindrome (2472742).

The spelling of 1241321 in words is "one million, two hundred forty-one thousand, three hundred twenty-one".