2128125606 has 16 divisors (see below), whose sum is σ = 4256707248. Its totient is φ = 709299200.

The previous prime is 2128125563. The next prime is 2128125607. The reversal of 2128125606 is 6065218212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128125607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88126 + ... + 109646.

It is an arithmetic number, because the mean of its divisors is an integer number (266044203).

Almost surely, 2^2128125606 is an apocalyptic number.

2128125606 is an abundant number, since it is smaller than the sum of its proper divisors (2128581642).

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

2128125606 is a wasteful number, since it uses less digits than its factorization.

2128125606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38007.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2128125606 is about 46131.6117862795. The cubic root of 2128125606 is about 1286.2708248198.

The spelling of 2128125606 in words is "two billion, one hundred twenty-eight million, one hundred twenty-five thousand, six hundred six".