2106159 has 8 divisors (see below), whose sum is σ = 3063552. Its totient is φ = 1276440.

The previous prime is 2106149. The next prime is 2106173. The reversal of 2106159 is 9516012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2106159 - 2¹¹ = 2104111 is a prime.

2106159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31879 + ... + 31944.

It is an arithmetic number, because the mean of its divisors is an integer number (382944).

2^2106159 is an apocalyptic number.

2106159 is a deficient number, since it is larger than the sum of its proper divisors (957393).

2106159 is a wasteful number, since it uses less digits than its factorization.

2106159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63837.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2106159 is about 1451.2611756676. The cubic root of 2106159 is about 128.1829861662.

The spelling of 2106159 in words is "two million, one hundred six thousand, one hundred fifty-nine".