4028120 has 16 divisors (see below), whose sum is σ = 9063360. Its totient is φ = 1611232.

The previous prime is 4028093. The next prime is 4028137. The reversal of 4028120 is 218204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50312 + ... + 50391.

It is an arithmetic number, because the mean of its divisors is an integer number (566460).

Almost surely, 2^4028120 is an apocalyptic number.

4028120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4028120 is an abundant number, since it is smaller than the sum of its proper divisors (5035240).

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

4028120 is a wasteful number, since it uses less digits than its factorization.

4028120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100714 (or 100710 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4028120 is about 2007.0176880137. The cubic root of 4028120 is about 159.1112178897. Note that the first 3 decimals are identical.

The spelling of 4028120 in words is "four million, twenty-eight thousand, one hundred twenty".