818126 has 4 divisors (see below), whose sum is σ = 1227192. Its totient is φ = 409062.

The previous prime is 818123. The next prime is 818143. The reversal of 818126 is 621818.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 818095 and 818104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204530 + ... + 204533.

It is an arithmetic number, because the mean of its divisors is an integer number (306798).

2⁸¹⁸¹²⁶ is an apocalyptic number.

818126 is a deficient number, since it is larger than the sum of its proper divisors (409066).

818126 is a wasteful number, since it uses less digits than its factorization.

818126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409065.

The product of its digits is 768, while the sum is 26.

The square root of 818126 is about 904.5031785461. The cubic root of 818126 is about 93.5276591796.

It can be divided in two parts, 81812 and 6, that added together give a palindrome (81818).

The spelling of 818126 in words is "eight hundred eighteen thousand, one hundred twenty-six".