2185130 has 8 divisors (see below), whose sum is σ = 3933252. Its totient is φ = 874048.

The previous prime is 2185103. The next prime is 2185151. The reversal of 2185130 is 315812.

2185130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2007889 + 177241 = 1417^2 + 421^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 109247 + ... + 109266.

2^2185130 is an apocalyptic number.

2185130 is a deficient number, since it is larger than the sum of its proper divisors (1748122).

2185130 is a wasteful number, since it uses less digits than its factorization.

2185130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218520.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2185130 is about 1478.2185224114. The cubic root of 2185130 is about 129.7654548015.

The spelling of 2185130 in words is "two million, one hundred eighty-five thousand, one hundred thirty".