4000120 has 16 divisors (see below), whose sum is σ = 9000360. Its totient is φ = 1600032.

The previous prime is 4000093. The next prime is 4000133. The reversal of 4000120 is 210004.

4000120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

4000120 is a modest number, since divided by 120 gives 40 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49962 + ... + 50041.

Almost surely, 2^4000120 is an apocalyptic number.

4000120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000120 is an abundant number, since it is smaller than the sum of its proper divisors (5000240).

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

4000120 is a wasteful number, since it uses less digits than its factorization.

4000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100014 (or 100010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 4000120 is about 2000.0299997750. The cubic root of 4000120 is about 158.7416925820.

Adding to 4000120 its reverse (210004), we get a palindrome (4210124).

The spelling of 4000120 in words is "four million, one hundred twenty", and thus it is an aban number.