2106128 has 20 divisors (see below), whose sum is σ = 4114320. Its totient is φ = 1044384.

The previous prime is 2106107. The next prime is 2106149. The reversal of 2106128 is 8216012.

It is an interprime number because it is at equal distance from previous prime (2106107) and next prime (2106149).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (205716).

2^2106128 is an apocalyptic number.

It is an amenable number.

2106128 is a deficient number, since it is larger than the sum of its proper divisors (2008192).

2106128 is a wasteful number, since it uses less digits than its factorization.

2106128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2106128 is about 1451.2504952626. The cubic root of 2106128 is about 128.1823572659.

The spelling of 2106128 in words is "two million, one hundred six thousand, one hundred twenty-eight".