2127171 has 4 divisors (see below), whose sum is σ = 2836232. Its totient is φ = 1418112.

The previous prime is 2127163. The next prime is 2127269. The reversal of 2127171 is 1717212.

It is a happy number.

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

It is not a de Polignac number, because 2127171 - 2³ = 2127163 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2127071) 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, 354526 + ... + 354531.

It is an arithmetic number, because the mean of its divisors is an integer number (709058).

2^2127171 is an apocalyptic number.

2127171 is a deficient number, since it is larger than the sum of its proper divisors (709061).

2127171 is an equidigital number, since it uses as much as digits as its factorization.

2127171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709060.

The product of its digits is 196, while the sum is 21.

The square root of 2127171 is about 1458.4824304735. The cubic root of 2127171 is about 128.6078470026.

The spelling of 2127171 in words is "two million, one hundred twenty-seven thousand, one hundred seventy-one".