528121 has 8 divisors (see below), whose sum is σ = 590688. Its totient is φ = 468000.

The previous prime is 528107. The next prime is 528127. The reversal of 528121 is 121825.

528121 = T₇₀ + T₇₁ + ... + T₁₅₁.

528121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 528121 - 2⁷ = 527993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528127) 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, 135 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (73836).

2⁵²⁸¹²¹ is an apocalyptic number.

It is an amenable number.

528121 is a deficient number, since it is larger than the sum of its proper divisors (62567).

528121 is a wasteful number, since it uses less digits than its factorization.

528121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its digits is 160, while the sum is 19.

The square root of 528121 is about 726.7193405986. The cubic root of 528121 is about 80.8309740576.

Adding to 528121 its reverse (121825), we get a palindrome (649946).

The spelling of 528121 in words is "five hundred twenty-eight thousand, one hundred twenty-one".