2105271 has 40 divisors (see below), whose sum is σ = 3717120. Its totient is φ = 1162512.

The previous prime is 2105269. The next prime is 2105273. The reversal of 2105271 is 1725012.

It is an interprime number because it is at equal distance from previous prime (2105269) and next prime (2105273).

It is not a de Polignac number, because 2105271 - 2¹ = 2105269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105273) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26610 + ... + 26688.

It is an arithmetic number, because the mean of its divisors is an integer number (92928).

2^2105271 is an apocalyptic number.

2105271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2105271 is a deficient number, since it is larger than the sum of its proper divisors (1611849).

2105271 is an equidigital number, since it uses as much as digits as its factorization.

2105271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2105271 is about 1450.9552026165. The cubic root of 2105271 is about 128.1649687717.

The spelling of 2105271 in words is "two million, one hundred five thousand, two hundred seventy-one".