43113120 has 48 divisors (see below), whose sum is σ = 135807840. Its totient is φ = 11496704.

The previous prime is 43113107. The next prime is 43113121. The reversal of 43113120 is 2131134.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×43113120² = 3717482232268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 43113120.

It is not an unprimeable number, because it can be changed into a prime (43113121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44430 + ... + 45389.

It is an arithmetic number, because the mean of its divisors is an integer number (2829330).

Almost surely, 2^43113120 is an apocalyptic number.

43113120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43113120 is an abundant number, since it is smaller than the sum of its proper divisors (92694720).

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

43113120 is a wasteful number, since it uses less digits than its factorization.

43113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89837 (or 89829 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 43113120 is about 6566.0581782375. The cubic root of 43113120 is about 350.6467497415.

Adding to 43113120 its reverse (2131134), we get a palindrome (45244254).

The spelling of 43113120 in words is "forty-three million, one hundred thirteen thousand, one hundred twenty".