565125121 has 8 divisors (see below), whose sum is σ = 616982688. Its totient is φ = 513348000.

The previous prime is 565125109. The next prime is 565125131. The reversal of 565125121 is 121521565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565125121 - 2⁵ = 565125089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 565125121.

It is not an unprimeable number, because it can be changed into a prime (565125131) 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, 4915 + ... + 33976.

It is an arithmetic number, because the mean of its divisors is an integer number (77122836).

Almost surely, 2^565125121 is an apocalyptic number.

It is an amenable number.

565125121 is a deficient number, since it is larger than the sum of its proper divisors (51857567).

565125121 is a wasteful number, since it uses less digits than its factorization.

565125121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40223.

The product of its digits is 3000, while the sum is 28.

The square root of 565125121 is about 23772.3604423288. The cubic root of 565125121 is about 826.7639617497.

Adding to 565125121 its reverse (121521565), we get a palindrome (686646686).

The spelling of 565125121 in words is "five hundred sixty-five million, one hundred twenty-five thousand, one hundred twenty-one".