2132105 has 4 divisors (see below), whose sum is σ = 2558532. Its totient is φ = 1705680.

The previous prime is 2132063. The next prime is 2132107. The reversal of 2132105 is 5012312.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 1776889 = 596^2 + 1333^2 .

It is not a de Polignac number, because 2132105 - 2⁸ = 2131849 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 2132105.

It is not an unprimeable number, because it can be changed into a prime (2132107) 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, 213206 + ... + 213215.

It is an arithmetic number, because the mean of its divisors is an integer number (639633).

2^2132105 is an apocalyptic number.

It is an amenable number.

2132105 is a deficient number, since it is larger than the sum of its proper divisors (426427).

2132105 is an equidigital number, since it uses as much as digits as its factorization.

2132105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426426.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2132105 is about 1460.1729349635. The cubic root of 2132105 is about 128.7072060624.

Adding to 2132105 its reverse (5012312), we get a palindrome (7144417).

The spelling of 2132105 in words is "two million, one hundred thirty-two thousand, one hundred five".