2134871 has 4 divisors (see below), whose sum is σ = 2150592. Its totient is φ = 2119152.

The previous prime is 2134861. The next prime is 2134879. The reversal of 2134871 is 1784312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2134871 - 2¹⁸ = 1872727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7655 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (537648).

2^2134871 is an apocalyptic number.

2134871 is a deficient number, since it is larger than the sum of its proper divisors (15721).

2134871 is a wasteful number, since it uses less digits than its factorization.

2134871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15720.

The product of its digits is 1344, while the sum is 26.

The square root of 2134871 is about 1461.1197760622. The cubic root of 2134871 is about 128.7628397036.

The spelling of 2134871 in words is "two million, one hundred thirty-four thousand, eight hundred seventy-one".