201172103 has 16 divisors (see below), whose sum is σ = 226841472. Its totient is φ = 176820000.

The previous prime is 201172061. The next prime is 201172109. The reversal of 201172103 is 301271102.

It is a cyclic number.

It is not a de Polignac number, because 201172103 - 2¹⁰ = 201171079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201172109) 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 15 ways as a sum of consecutive naturals, for example, 45668 + ... + 49878.

It is an arithmetic number, because the mean of its divisors is an integer number (14177592).

Almost surely, 2^201172103 is an apocalyptic number.

201172103 is a deficient number, since it is larger than the sum of its proper divisors (25669369).

201172103 is a wasteful number, since it uses less digits than its factorization.

201172103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 201172103 is about 14183.5151848898. The cubic root of 201172103 is about 585.9437398181.

The spelling of 201172103 in words is "two hundred one million, one hundred seventy-two thousand, one hundred three".