1201110003 has 12 divisors (see below), whose sum is σ = 1736267208. Its totient is φ = 800125920.

The previous prime is 1201109983. The next prime is 1201110007. The reversal of 1201110003 is 3000111021.

It is not a de Polignac number, because 1201110003 - 2⁶ = 1201109939 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 (1201110007) 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, 38625 + ... + 62402.

It is an arithmetic number, because the mean of its divisors is an integer number (144688934).

Almost surely, 2^1201110003 is an apocalyptic number.

1201110003 is a deficient number, since it is larger than the sum of its proper divisors (535157205).

1201110003 is a wasteful number, since it uses less digits than its factorization.

1201110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102354 (or 102351 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1201110003 is about 34657.0339613764. The cubic root of 1201110003 is about 1062.9861221520.

Adding to 1201110003 its reverse (3000111021), we get a palindrome (4201221024).

The spelling of 1201110003 in words is "one billion, two hundred one million, one hundred ten thousand, three".