100486205 has 4 divisors (see below), whose sum is σ = 120583452. Its totient is φ = 80388960.

The previous prime is 100486187. The next prime is 100486207. The reversal of 100486205 is 502684001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502684001 = 12119 ⋅41479.

It can be written as a sum of positive squares in 2 ways, for example, as 60808804 + 39677401 = 7798^2 + 6299^2 .

It is not a de Polignac number, because 100486205 - 2¹⁶ = 100420669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100486207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10048616 + ... + 10048625.

It is an arithmetic number, because the mean of its divisors is an integer number (30145863).

Almost surely, 2^100486205 is an apocalyptic number.

It is an amenable number.

100486205 is a deficient number, since it is larger than the sum of its proper divisors (20097247).

100486205 is an equidigital number, since it uses as much as digits as its factorization.

100486205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097246.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 100486205 is about 10024.2807722051. The cubic root of 100486205 is about 464.9099220436.

The spelling of 100486205 in words is "one hundred million, four hundred eighty-six thousand, two hundred five".