100802 has 8 divisors (see below), whose sum is σ = 162876. Its totient is φ = 46512.

The previous prime is 100801. The next prime is 100811. The reversal of 100802 is 208001.

It can be written as a sum of positive squares in 2 ways, for example, as 90601 + 10201 = 301^2 + 101^2 .

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

It is a super-2 number, since 2×100802² = 20322086408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913 + ... + 1964.

2¹⁰⁰⁸⁰² is an apocalyptic number.

100802 is a deficient number, since it is larger than the sum of its proper divisors (62074).

100802 is a wasteful number, since it uses less digits than its factorization.

100802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100802 is about 317.4933070161. The cubic root of 100802 is about 46.5396432268.

Adding to 100802 its reverse (208001), we get a palindrome (308803).

It can be divided in two parts, 100 and 802, that multiplied together give a triangular number (80200 = T₄₀₀).

The spelling of 100802 in words is "one hundred thousand, eight hundred two".