841104081 has 20 divisors (see below), whose sum is σ = 1299794100. Its totient is φ = 541398816.

The previous prime is 841104079. The next prime is 841104083. The reversal of 841104081 is 180401148.

It is an interprime number because it is at equal distance from previous prime (841104079) and next prime (841104083).

It can be written as a sum of positive squares in 2 ways, for example, as 299843856 + 541260225 = 17316^2 + 23265^2 .

It is not a de Polignac number, because 841104081 - 2¹ = 841104079 is a prime.

It is a super-2 number, since 2×841104081² = 1414912150149709122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (841104083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 176686 + ... + 181383.

It is an arithmetic number, because the mean of its divisors is an integer number (64989705).

Almost surely, 2^841104081 is an apocalyptic number.

841104081 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

841104081 is a deficient number, since it is larger than the sum of its proper divisors (458690019).

841104081 is a wasteful number, since it uses less digits than its factorization.

841104081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358110 (or 358101 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 841104081 is about 29001.7944444822. The cubic root of 841104081 is about 943.9520052594.

The spelling of 841104081 in words is "eight hundred forty-one million, one hundred four thousand, eighty-one".