100002106 has 4 divisors (see below), whose sum is σ = 150003162. Its totient is φ = 50001052.

The previous prime is 100002103. The next prime is 100002113. The reversal of 100002106 is 601200001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53421481 + 46580625 = 7309^2 + 6825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100002092 and 100002101.

It is not an unprimeable number, because it can be changed into a prime (100002103) 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 as a sum of consecutive naturals, namely, 25000525 + ... + 25000528.

Almost surely, 2^100002106 is an apocalyptic number.

100002106 is a deficient number, since it is larger than the sum of its proper divisors (50001056).

100002106 is an equidigital number, since it uses as much as digits as its factorization.

100002106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50001055.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100002106 is about 10000.1052994456. The cubic root of 100002106 is about 464.1621417338.

Adding to 100002106 its reverse (601200001), we get a palindrome (701202107).

The spelling of 100002106 in words is "one hundred million, two thousand, one hundred six".