1201003032003 has 4 divisors (see below), whose sum is σ = 1601337376008. Its totient is φ = 800668688000.

The previous prime is 1201003032001. The next prime is 1201003032007. The reversal of 1201003032003 is 3002303001021.

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 1201003032003 - 2¹ = 1201003032001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201003032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200167171998 + ... + 200167172003.

It is an arithmetic number, because the mean of its divisors is an integer number (400334344002).

Almost surely, 2^{1201003032003} is an apocalyptic number.

1201003032003 is a deficient number, since it is larger than the sum of its proper divisors (400334344005).

1201003032003 is an equidigital number, since it uses as much as digits as its factorization.

1201003032003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400334344004.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1201003032003 its reverse (3002303001021), we get a palindrome (4203306033024).

The spelling of 1201003032003 in words is "one trillion, two hundred one billion, three million, thirty-two thousand, three".