43120032 has 96 divisors (see below), whose sum is σ = 120476160. Its totient is φ = 13474560.

The previous prime is 43120027. The next prime is 43120057. The reversal of 43120032 is 23002134.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 43119993 and 43120020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130107 + ... + 130437.

It is an arithmetic number, because the mean of its divisors is an integer number (1254960).

Almost surely, 2^43120032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43120032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60238080).

43120032 is an abundant number, since it is smaller than the sum of its proper divisors (77356128).

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

43120032 is a wasteful number, since it uses less digits than its factorization.

43120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 43120032 is about 6566.5845003320. The cubic root of 43120032 is about 350.6654875860.

Adding to 43120032 its reverse (23002134), we get a palindrome (66122166).

The spelling of 43120032 in words is "forty-three million, one hundred twenty thousand, thirty-two".