201200103 has 12 divisors (see below), whose sum is σ = 312978120. Its totient is φ = 123815376.

The previous prime is 201200081. The next prime is 201200183. The reversal of 201200103 is 301002102.

It is a happy number.

It is not a de Polignac number, because 201200103 - 2⁵ = 201200071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 859713 + ... + 859946.

It is an arithmetic number, because the mean of its divisors is an integer number (26081510).

Almost surely, 2^201200103 is an apocalyptic number.

201200103 is a deficient number, since it is larger than the sum of its proper divisors (111778017).

201200103 is a wasteful number, since it uses less digits than its factorization.

201200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719678 (or 1719675 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 201200103 is about 14184.5022119213. The cubic root of 201200103 is about 585.9709232817.

Adding to 201200103 its reverse (301002102), we get a palindrome (502202205).

The spelling of 201200103 in words is "two hundred one million, two hundred thousand, one hundred three".