2128250 has 16 divisors (see below), whose sum is σ = 3984552. Its totient is φ = 851200.

The previous prime is 2128241. The next prime is 2128253. The reversal of 2128250 is 528212.

2128250 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 4 ways, for example, as 1283689 + 844561 = 1133^2 + 919^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2128253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4007 + ... + 4506.

2^2128250 is an apocalyptic number.

2128250 is a deficient number, since it is larger than the sum of its proper divisors (1856302).

2128250 is an equidigital number, since it uses as much as digits as its factorization.

2128250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8530 (or 8520 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2128250 is about 1458.8522886160. The cubic root of 2128250 is about 128.6295886194.

The spelling of 2128250 in words is "two million, one hundred twenty-eight thousand, two hundred fifty".