1001841 has 8 divisors (see below), whose sum is σ = 1348704. Its totient is φ = 661440.

The previous prime is 1001839. The next prime is 1001911. The reversal of 1001841 is 1481001.

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

It is not a de Polignac number, because 1001841 - 2¹ = 1001839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001841.

It is not an unprimeable number, because it can be changed into a prime (1001801) 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 in 7 ways as a sum of consecutive naturals, for example, 1240 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (168588).

2^1001841 is an apocalyptic number.

It is an amenable number.

1001841 is a deficient number, since it is larger than the sum of its proper divisors (346863).

1001841 is a wasteful number, since it uses less digits than its factorization.

1001841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1001841 is about 1000.9200767294. The cubic root of 1001841 is about 100.0613290465.

Adding to 1001841 its reverse (1481001), we get a palindrome (2482842).

The spelling of 1001841 in words is "one million, one thousand, eight hundred forty-one".