197227103 has 4 divisors (see below), whose sum is σ = 197499120. Its totient is φ = 196955088.

The previous prime is 197227099. The next prime is 197227117. The reversal of 197227103 is 301722791.

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 197227103 - 2² = 197227099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197227103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197227123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134918 + ... + 136371.

It is an arithmetic number, because the mean of its divisors is an integer number (49374780).

Almost surely, 2^197227103 is an apocalyptic number.

197227103 is a deficient number, since it is larger than the sum of its proper divisors (272017).

197227103 is an equidigital number, since it uses as much as digits as its factorization.

197227103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272016.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 197227103 is about 14043.7567267452. The cubic root of 197227103 is about 582.0882935054.

Adding to 197227103 its reverse (301722791), we get a palindrome (498949894).

The spelling of 197227103 in words is "one hundred ninety-seven million, two hundred twenty-seven thousand, one hundred three".