2130128 has 120 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 725760.

The previous prime is 2130101. The next prime is 2130133. The reversal of 2130128 is 8210312.

2130128 is nontrivially palindromic in base 12.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 112103 + ... + 112121.

It is an arithmetic number, because the mean of its divisors is an integer number (49476).

2^2130128 is an apocalyptic number.

2130128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2130128 is an abundant number, since it is smaller than the sum of its proper divisors (3806992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130128 is a wasteful number, since it uses less digits than its factorization.

2130128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2130128 is about 1459.4958033513. The cubic root of 2130128 is about 128.6674123945.

The spelling of 2130128 in words is "two million, one hundred thirty thousand, one hundred twenty-eight".