4125128 has 32 divisors (see below), whose sum is σ = 9307200. Its totient is φ = 1674432.

The previous prime is 4125127. The next prime is 4125131. The reversal of 4125128 is 8215214.

4125128 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is not an unprimeable number, because it can be changed into a prime (4125127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875 + ... + 3002.

It is an arithmetic number, because the mean of its divisors is an integer number (290850).

Almost surely, 2^4125128 is an apocalyptic number.

It is an amenable number.

4125128 is an abundant number, since it is smaller than the sum of its proper divisors (5182072).

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

4125128 is a wasteful number, since it uses less digits than its factorization.

4125128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909 (or 3905 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 4125128 is about 2031.0411123362. The cubic root of 4125128 is about 160.3783753287.

The spelling of 4125128 in words is "four million, one hundred twenty-five thousand, one hundred twenty-eight".