43120660 has 24 divisors (see below), whose sum is σ = 98786016. Its totient is φ = 15680160.

The previous prime is 43120657. The next prime is 43120661. The reversal of 43120660 is 6602134.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43120661) 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, 97782 + ... + 98221.

It is an arithmetic number, because the mean of its divisors is an integer number (4116084).

Almost surely, 2^43120660 is an apocalyptic number.

It is an amenable number.

43120660 is an abundant number, since it is smaller than the sum of its proper divisors (55665356).

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

43120660 is a wasteful number, since it uses less digits than its factorization.

43120660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196023 (or 196021 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 43120660 is about 6566.6323180151. The cubic root of 43120660 is about 350.6671899414.

Adding to 43120660 its reverse (6602134), we get a palindrome (49722794).

The spelling of 43120660 in words is "forty-three million, one hundred twenty thousand, six hundred sixty".