522120 has 64 divisors (see below), whose sum is σ = 1656000. Its totient is φ = 131328.

The previous prime is 522113. The next prime is 522127. The reversal of 522120 is 21225.

It is an interprime number because it is at equal distance from previous prime (522113) and next prime (522127).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 522096 and 522105.

It is not an unprimeable number, because it can be changed into a prime (522127) by changing a digit.

522120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2166 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (25875).

2⁵²²¹²⁰ 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 522120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828000).

522120 is an abundant number, since it is smaller than the sum of its proper divisors (1133880).

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

522120 is a wasteful number, since it uses less digits than its factorization.

522120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 522120 is about 722.5787154352. The cubic root of 522120 is about 80.5236482610.

Adding to 522120 its reverse (21225), we get a palindrome (543345).

The spelling of 522120 in words is "five hundred twenty-two thousand, one hundred twenty".