818130 has 16 divisors (see below), whose sum is σ = 1963584. Its totient is φ = 218160.

The previous prime is 818123. The next prime is 818143. The reversal of 818130 is 31818.

It is a happy number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 818097 and 818106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13606 + ... + 13665.

It is an arithmetic number, because the mean of its divisors is an integer number (122724).

2⁸¹⁸¹³⁰ is an apocalyptic number.

818130 is an abundant number, since it is smaller than the sum of its proper divisors (1145454).

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

818130 is a wasteful number, since it uses less digits than its factorization.

818130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27281.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 818130 is about 904.5053897020. The cubic root of 818130 is about 93.5278116052.

Adding to 818130 its reverse (31818), we get a palindrome (849948).

The spelling of 818130 in words is "eight hundred eighteen thousand, one hundred thirty".