841231 has 2 divisors, whose sum is σ = 841232. Its totient is φ = 841230.

The previous prime is 841223. The next prime is 841237. The reversal of 841231 is 132148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 841231 - 2³ = 841223 is a prime.

It is a super-2 number, since 2×841231² = 1415339190722, which contains 22 as substring.

It is a Chen prime.

841231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 841199 and 841208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841237) 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, 420615 + 420616.

It is an arithmetic number, because the mean of its divisors is an integer number (420616).

2⁸⁴¹²³¹ is an apocalyptic number.

841231 is a deficient number, since it is larger than the sum of its proper divisors (1).

841231 is an equidigital number, since it uses as much as digits as its factorization.

841231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 841231 is about 917.1864586877. The cubic root of 841231 is about 94.3999482308.

Adding to 841231 its reverse (132148), we get a palindrome (973379).

The spelling of 841231 in words is "eight hundred forty-one thousand, two hundred thirty-one".