501204 has 24 divisors (see below), whose sum is σ = 1276128. Its totient is φ = 151840.

The previous prime is 501203. The next prime is 501209. The reversal of 501204 is 402105.

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

It is a self number, because there is not a number n which added to its sum of digits gives 501204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (53172).

2⁵⁰¹²⁰⁴ is an apocalyptic number.

It is an amenable number.

501204 is an abundant number, since it is smaller than the sum of its proper divisors (774924).

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

501204 is a wasteful number, since it uses less digits than its factorization.

501204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815 (or 3813 counting only the distinct ones).

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

The square root of 501204 is about 707.9576258506. The cubic root of 501204 is about 79.4337092262.

Adding to 501204 its reverse (402105), we get a palindrome (903309).

Subtracting from 501204 its reverse (402105), we obtain a palindrome (99099).

The spelling of 501204 in words is "five hundred one thousand, two hundred four".