4128375 has 32 divisors (see below), whose sum is σ = 7001280. Its totient is φ = 2160000.

The previous prime is 4128367. The next prime is 4128379. The reversal of 4128375 is 5738214.

It is not a de Polignac number, because 4128375 - 2³ = 4128367 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

4128375 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37821 + ... + 37929.

It is an arithmetic number, because the mean of its divisors is an integer number (218790).

Almost surely, 2^4128375 is an apocalyptic number.

4128375 is a deficient number, since it is larger than the sum of its proper divisors (2872905).

4128375 is a wasteful number, since it uses less digits than its factorization.

4128375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 218 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 4128375 is about 2031.8402988424. The cubic root of 4128375 is about 160.4204436809.

The spelling of 4128375 in words is "four million, one hundred twenty-eight thousand, three hundred seventy-five".