520541121 has 16 divisors (see below), whose sum is σ = 720453888. Its totient is φ = 334070400.

The previous prime is 520541113. The next prime is 520541137. The reversal of 520541121 is 121145025.

It is not a de Polignac number, because 520541121 - 2³ = 520541113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520541111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21660 + ... + 38861.

It is an arithmetic number, because the mean of its divisors is an integer number (45028368).

Almost surely, 2^520541121 is an apocalyptic number.

It is an amenable number.

520541121 is a deficient number, since it is larger than the sum of its proper divisors (199912767).

520541121 is a wasteful number, since it uses less digits than its factorization.

520541121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60632.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 520541121 is about 22815.3702797040. The cubic root of 520541121 is about 804.4239908062.

Adding to 520541121 its reverse (121145025), we get a palindrome (641686146).

The spelling of 520541121 in words is "five hundred twenty million, five hundred forty-one thousand, one hundred twenty-one".