1141321 has 2 divisors, whose sum is σ = 1141322. Its totient is φ = 1141320.

The previous prime is 1141319. The next prime is 1141351. The reversal of 1141321 is 1231411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 876096 + 265225 = 936^2 + 515^2 .

It is an emirp because it is prime and its reverse (1231411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141321 - 2¹ = 1141319 is a prime.

It is a super-2 number, since 2×1141321² = 2605227250082, which contains 22 as substring.

Together with 1141319, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1141351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570660 + 570661.

It is an arithmetic number, because the mean of its divisors is an integer number (570661).

2^1141321 is an apocalyptic number.

It is an amenable number.

1141321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141321 is an equidigital number, since it uses as much as digits as its factorization.

1141321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 13.

The square root of 1141321 is about 1068.3262610270. The cubic root of 1141321 is about 104.5047272420.

Adding to 1141321 its reverse (1231411), we get a palindrome (2372732).

The spelling of 1141321 in words is "one million, one hundred forty-one thousand, three hundred twenty-one".