106217203 has 4 divisors (see below), whose sum is σ = 106347088. Its totient is φ = 106087320.

The previous prime is 106217179. The next prime is 106217261. The reversal of 106217203 is 302712601.

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

It is a cyclic number.

It is not a de Polignac number, because 106217203 - 2⁵ = 106217171 is a prime.

It is a super-2 number, since 2×106217203² = 22564188426286418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106217273) 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, 63708 + ... + 65353.

It is an arithmetic number, because the mean of its divisors is an integer number (26586772).

Almost surely, 2^106217203 is an apocalyptic number.

106217203 is a deficient number, since it is larger than the sum of its proper divisors (129885).

106217203 is an equidigital number, since it uses as much as digits as its factorization.

106217203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129884.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 106217203 is about 10306.1730530784. The cubic root of 106217203 is about 473.5853801560.

Adding to 106217203 its reverse (302712601), we get a palindrome (408929804).

The spelling of 106217203 in words is "one hundred six million, two hundred seventeen thousand, two hundred three".