565432120 has 64 divisors (see below), whose sum is σ = 1391644800. Its totient is φ = 205054080.

The previous prime is 565432081. The next prime is 565432141. The reversal of 565432120 is 21234565.

It is a congruent number.

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, 182827 + ... + 185893.

It is an arithmetic number, because the mean of its divisors is an integer number (21744450).

Almost surely, 2^565432120 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 565432120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695822400).

565432120 is an abundant number, since it is smaller than the sum of its proper divisors (826212680).

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

565432120 is a wasteful number, since it uses less digits than its factorization.

565432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 565432120 is about 23778.8166232048. The cubic root of 565432120 is about 826.9136452758.

Adding to 565432120 its reverse (21234565), we get a palindrome (586666685).

The spelling of 565432120 in words is "five hundred sixty-five million, four hundred thirty-two thousand, one hundred twenty".