2162107 has 4 divisors (see below), whose sum is σ = 2183616. Its totient is φ = 2140600.

The previous prime is 2162089. The next prime is 2162113. The reversal of 2162107 is 7012612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162107 is a prime.

It is a Duffinian number.

2162107 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2162137) 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, 10603 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (545904).

2^2162107 is an apocalyptic number.

2162107 is a deficient number, since it is larger than the sum of its proper divisors (21509).

2162107 is a wasteful number, since it uses less digits than its factorization.

2162107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2162107 is about 1470.4104869049. The cubic root of 2162107 is about 129.3080991675.

Adding to 2162107 its reverse (7012612), we get a palindrome (9174719).

It can be divided in two parts, 21 and 62107, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 2162107 in words is "two million, one hundred sixty-two thousand, one hundred seven".