802105 has 8 divisors (see below), whose sum is σ = 979200. Its totient is φ = 630576.

The previous prime is 802103. The next prime is 802121. The reversal of 802105 is 501208.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 802105 - 2¹ = 802103 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802103) 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, 1065 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (122400).

2⁸⁰²¹⁰⁵ is an apocalyptic number.

It is an amenable number.

802105 is a deficient number, since it is larger than the sum of its proper divisors (177095).

802105 is a wasteful number, since it uses less digits than its factorization.

802105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 802105 is about 895.6031487216. The cubic root of 802105 is about 92.9131265674.

The spelling of 802105 in words is "eight hundred two thousand, one hundred five".