43125220 has 24 divisors (see below), whose sum is σ = 91917504. Its totient is φ = 16992096.

The previous prime is 43125197. The next prime is 43125227. The reversal of 43125220 is 2252134.

It is not an unprimeable number, because it can be changed into a prime (43125227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14752 + ... + 17431.

It is an arithmetic number, because the mean of its divisors is an integer number (3829896).

Almost surely, 2^43125220 is an apocalyptic number.

It is an amenable number.

43125220 is an abundant number, since it is smaller than the sum of its proper divisors (48792284).

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

43125220 is a wasteful number, since it uses less digits than its factorization.

43125220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32259 (or 32257 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 43125220 is about 6566.9795187742. The cubic root of 43125220 is about 350.6795504976.

Adding to 43125220 its reverse (2252134), we get a palindrome (45377354).

It can be divided in two parts, 431 and 25220, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 43125220 in words is "forty-three million, one hundred twenty-five thousand, two hundred twenty".