2186126 has 4 divisors (see below), whose sum is σ = 3279192. Its totient is φ = 1093062.

The previous prime is 2186113. The next prime is 2186141. The reversal of 2186126 is 6216812.

2186126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2186095 and 2186104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546530 + ... + 546533.

It is an arithmetic number, because the mean of its divisors is an integer number (819798).

2^2186126 is an apocalyptic number.

2186126 is a deficient number, since it is larger than the sum of its proper divisors (1093066).

2186126 is a wasteful number, since it uses less digits than its factorization.

2186126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093065.

The product of its digits is 1152, while the sum is 26.

The square root of 2186126 is about 1478.5553760343. Note that the first 3 decimals coincide. The cubic root of 2186126 is about 129.7851678561.

The spelling of 2186126 in words is "two million, one hundred eighty-six thousand, one hundred twenty-six".