203106 has 8 divisors (see below), whose sum is σ = 406224. Its totient is φ = 67700.

The previous prime is 203057. The next prime is 203117. The reversal of 203106 is 601302.

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

203106 is an admirable number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 203091 and 203100.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 203106.

It is an unprimeable number.

203106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16920 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (50778).

2²⁰³¹⁰⁶ is an apocalyptic number.

203106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203106 is a wasteful number, since it uses less digits than its factorization.

203106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33856.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 203106 is about 450.6728303326. The cubic root of 203106 is about 58.7815343006.

Adding to 203106 its reverse (601302), we get a palindrome (804408).

The spelling of 203106 in words is "two hundred three thousand, one hundred six".