2042871 has 8 divisors (see below), whose sum is σ = 2730480. Its totient is φ = 1358592.

The previous prime is 2042863. The next prime is 2042891. The reversal of 2042871 is 1782402.

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

It is not a de Polignac number, because 2042871 - 2³ = 2042863 is a prime.

2042871 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042851) 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, 1735 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (341310).

2^2042871 is an apocalyptic number.

2042871 is a deficient number, since it is larger than the sum of its proper divisors (687609).

2042871 is an equidigital number, since it uses as much as digits as its factorization.

2042871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2042871 is about 1429.2903833721. The cubic root of 2042871 is about 126.8859827745.

The spelling of 2042871 in words is "two million, forty-two thousand, eight hundred seventy-one".