43240120 has 128 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 13248000.

The previous prime is 43240081. The next prime is 43240123. The reversal of 43240120 is 2104234.

43240120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43240120² = 3739415955228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43240094 and 43240103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240123) 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 in 31 ways as a sum of consecutive naturals, for example, 311011 + ... + 311149.

It is an arithmetic number, because the mean of its divisors is an integer number (963900).

Almost surely, 2^43240120 is an apocalyptic number.

43240120 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 43240120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61689600).

43240120 is an abundant number, since it is smaller than the sum of its proper divisors (80139080).

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

43240120 is a wasteful number, since it uses less digits than its factorization.

43240120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 43240120 is about 6575.7220135891. The cubic root of 43240120 is about 350.9907168212.

Adding to 43240120 its reverse (2104234), we get a palindrome (45344354).

The spelling of 43240120 in words is "forty-three million, two hundred forty thousand, one hundred twenty".