841820141 has 4 divisors (see below), whose sum is σ = 841879872. Its totient is φ = 841760412.

The previous prime is 841820071. The next prime is 841820143. The reversal of 841820141 is 141028148.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-841820141 is a prime.

It is a super-2 number, since 2×841820141² = 1417322299586519762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841820143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4316 + ... + 41258.

It is an arithmetic number, because the mean of its divisors is an integer number (210469968).

Almost surely, 2^841820141 is an apocalyptic number.

It is an amenable number.

841820141 is a deficient number, since it is larger than the sum of its proper divisors (59731).

841820141 is a wasteful number, since it uses less digits than its factorization.

841820141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59730.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 841820141 is about 29014.1369163379. The cubic root of 841820141 is about 944.2198019035.

Adding to 841820141 its reverse (141028148), we get a palindrome (982848289).

The spelling of 841820141 in words is "eight hundred forty-one million, eight hundred twenty thousand, one hundred forty-one".