2029171 has 4 divisors (see below), whose sum is σ = 2148552. Its totient is φ = 1909792.

The previous prime is 2029163. The next prime is 2029177. The reversal of 2029171 is 1719202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1719202 = 2 ⋅859601.

It is a cyclic number.

It is not a de Polignac number, because 2029171 - 2³ = 2029163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2029177) 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, 59665 + ... + 59698.

It is an arithmetic number, because the mean of its divisors is an integer number (537138).

2^2029171 is an apocalyptic number.

2029171 is a deficient number, since it is larger than the sum of its proper divisors (119381).

2029171 is a wasteful number, since it uses less digits than its factorization.

2029171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119380.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 2029171 is about 1424.4897332027. The cubic root of 2029171 is about 126.6017033763.

The spelling of 2029171 in words is "two million, twenty-nine thousand, one hundred seventy-one".