43120052 has 12 divisors (see below), whose sum is σ = 75647460. Its totient is φ = 21506496.

The previous prime is 43120027. The next prime is 43120057. The reversal of 43120052 is 25002134.

It can be written as a sum of positive squares in 2 ways, for example, as 29311396 + 13808656 = 5414^2 + 3716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43120052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43120057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11543 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (6303955).

Almost surely, 2^43120052 is an apocalyptic number.

It is an amenable number.

43120052 is a deficient number, since it is larger than the sum of its proper divisors (32527408).

43120052 is a wasteful number, since it uses less digits than its factorization.

43120052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26770 (or 26768 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 43120052 is about 6566.5860231935. The cubic root of 43120052 is about 350.6655418014.

Adding to 43120052 its reverse (25002134), we get a palindrome (68122186).

The spelling of 43120052 in words is "forty-three million, one hundred twenty thousand, fifty-two".