4129120 has 48 divisors (see below), whose sum is σ = 9879408. Its totient is φ = 1630720.

The previous prime is 4129109. The next prime is 4129129. The reversal of 4129120 is 219214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20862 + ... + 21058.

It is an arithmetic number, because the mean of its divisors is an integer number (205821).

Almost surely, 2^4129120 is an apocalyptic number.

4129120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4129120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4939704).

4129120 is an abundant number, since it is smaller than the sum of its proper divisors (5750288).

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

4129120 is a wasteful number, since it uses less digits than its factorization.

4129120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4129120 is about 2032.0236219099. The cubic root of 4129120 is about 160.4300928400.

It can be divided in two parts, 41 and 29120, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 4129120 in words is "four million, one hundred twenty-nine thousand, one hundred twenty".