842001 has 8 divisors (see below), whose sum is σ = 1126944. Its totient is φ = 559200.

The previous prime is 841987. The next prime is 842003. The reversal of 842001 is 100248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 842001 - 2⁷ = 841873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (140868).

2⁸⁴²⁰⁰¹ is an apocalyptic number.

It is an amenable number.

842001 is a deficient number, since it is larger than the sum of its proper divisors (284943).

842001 is a wasteful number, since it uses less digits than its factorization.

842001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 842001 is about 917.6061246526. The cubic root of 842001 is about 94.4287416672.

Adding to 842001 its reverse (100248), we get a palindrome (942249).

The spelling of 842001 in words is "eight hundred forty-two thousand, one".