2104871 has 2 divisors, whose sum is σ = 2104872. Its totient is φ = 2104870.

The previous prime is 2104867. The next prime is 2104901. The reversal of 2104871 is 1784012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104871 - 2² = 2104867 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052435 + 1052436.

It is an arithmetic number, because the mean of its divisors is an integer number (1052436).

2^2104871 is an apocalyptic number.

2104871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104871 is an equidigital number, since it uses as much as digits as its factorization.

2104871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 2104871 is about 1450.8173558377. The cubic root of 2104871 is about 128.1568511731.

Adding to 2104871 its reverse (1784012), we get a palindrome (3888883).

The spelling of 2104871 in words is "two million, one hundred four thousand, eight hundred seventy-one".