2128190 has 32 divisors (see below), whose sum is σ = 4216320. Its totient is φ = 769824.

The previous prime is 2128183. The next prime is 2128201. The reversal of 2128190 is 918212.

2128190 = T₁₃₂ + T₁₃₃ + ... + T₂₄₆.

2128190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2128190² = 9058385352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 4127 + ... + 4613.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2^2128190 is an apocalyptic number.

2128190 is a deficient number, since it is larger than the sum of its proper divisors (2088130).

2128190 is a wasteful number, since it uses less digits than its factorization.

2128190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2128190 is about 1458.8317243603. The cubic root of 2128190 is about 128.6283798253.

The spelling of 2128190 in words is "two million, one hundred twenty-eight thousand, one hundred ninety".