201201003 has 20 divisors (see below), whose sum is σ = 301899840. Its totient is φ = 133535952.

The previous prime is 201200957. The next prime is 201201023. The reversal of 201201003 is 300102102.

It is a happy number.

It is not a de Polignac number, because 201201003 - 2¹³ = 201192811 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (201201023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13126 + ... + 23972.

It is an arithmetic number, because the mean of its divisors is an integer number (15094992).

Almost surely, 2^201201003 is an apocalyptic number.

201201003 is a deficient number, since it is larger than the sum of its proper divisors (100698837).

201201003 is a wasteful number, since it uses less digits than its factorization.

201201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088 (or 11079 counting only the distinct ones).

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

The square root of 201201003 is about 14184.5339366509. The cubic root of 201201003 is about 585.9717969940.

Adding to 201201003 its reverse (300102102), we get a palindrome (501303105).

The spelling of 201201003 in words is "two hundred one million, two hundred one thousand, three".