4128512 has 18 divisors (see below), whose sum is σ = 8241408. Its totient is φ = 2064128.

The previous prime is 4128511. The next prime is 4128517. The reversal of 4128512 is 2158214.

It is a super-2 number, since 2×4128512² = 34089222668288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128511) 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 as a sum of consecutive naturals, namely, 7808 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (457856).

Almost surely, 2^4128512 is an apocalyptic number.

It is an amenable number.

4128512 is a deficient number, since it is larger than the sum of its proper divisors (4112896).

4128512 is an equidigital number, since it uses as much as digits as its factorization.

4128512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16143 (or 16129 counting only the distinct ones).

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

The square root of 4128512 is about 2031.8740118423. The cubic root of 4128512 is about 160.4222181771.

The spelling of 4128512 in words is "four million, one hundred twenty-eight thousand, five hundred twelve".