818102 has 8 divisors (see below), whose sum is σ = 1291800. Its totient is φ = 387504.

The previous prime is 818101. The next prime is 818113. The reversal of 818102 is 201818.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818101) 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 in 3 ways as a sum of consecutive naturals, for example, 10727 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (161475).

2⁸¹⁸¹⁰² is an apocalyptic number.

818102 is a deficient number, since it is larger than the sum of its proper divisors (473698).

818102 is a wasteful number, since it uses less digits than its factorization.

818102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21550.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 818102 is about 904.4899114971. The cubic root of 818102 is about 93.5267446156.

It can be divided in two parts, 818 and 102, that multiplied together give a triangular number (83436 = T₄₀₈).

The spelling of 818102 in words is "eight hundred eighteen thousand, one hundred two".