841081 has 2 divisors, whose sum is σ = 841082. Its totient is φ = 841080.

The previous prime is 841079. The next prime is 841091. The reversal of 841081 is 180148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 2025 = 916^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 841081 - 2¹ = 841079 is a prime.

It is a super-2 number, since 2×841081² = 1414834497122, which contains 22 as substring.

Together with 841079, it forms a pair of twin primes.

841081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (841021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420540 + 420541.

It is an arithmetic number, because the mean of its divisors is an integer number (420541).

2⁸⁴¹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

841081 is a deficient number, since it is larger than the sum of its proper divisors (1).

841081 is an equidigital number, since it uses as much as digits as its factorization.

841081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 841081 is about 917.1046832287. The cubic root of 841081 is about 94.3943370753.

The spelling of 841081 in words is "eight hundred forty-one thousand, eighty-one".