812102 has 8 divisors (see below), whose sum is σ = 1222176. Its totient is φ = 404712.

The previous prime is 812101. The next prime is 812129. The reversal of 812102 is 201218.

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 (812101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (152772).

2⁸¹²¹⁰² is an apocalyptic number.

812102 is a deficient number, since it is larger than the sum of its proper divisors (410074).

812102 is a wasteful number, since it uses less digits than its factorization.

812102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 812102 is about 901.1670211454. The cubic root of 812102 is about 93.2975401300.

The spelling of 812102 in words is "eight hundred twelve thousand, one hundred two".