1003123121203 has 8 divisors (see below), whose sum is σ = 1146435919200. Its totient is φ = 859812696960.

The previous prime is 1003123121201. The next prime is 1003123121213. The reversal of 1003123121203 is 3021213213001.

1003123121203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1003123121203 - 2¹ = 1003123121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003123121201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429723 + ... + 1480171.

It is an arithmetic number, because the mean of its divisors is an integer number (143304489900).

Almost surely, 2^{1003123121203} is an apocalyptic number.

1003123121203 is a deficient number, since it is larger than the sum of its proper divisors (143312797997).

1003123121203 is a wasteful number, since it uses less digits than its factorization.

1003123121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186877.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1003123121203 its reverse (3021213213001), we get a palindrome (4024336334204).

The spelling of 1003123121203 in words is "one trillion, three billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred three".