1003120003243 has 8 divisors (see below), whose sum is σ = 1030284707328. Its totient is φ = 975958107264.

The previous prime is 1003120003241. The next prime is 1003120003313. The reversal of 1003120003243 is 3423000213001.

1003120003243 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 a cyclic number.

It is not a de Polignac number, because 1003120003243 - 2¹ = 1003120003241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003120003243.

It is not an unprimeable number, because it can be changed into a prime (1003120003241) 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, 32355 + ... + 1416787.

It is an arithmetic number, because the mean of its divisors is an integer number (128785588416).

Almost surely, 2^{1003120003243} is an apocalyptic number.

1003120003243 is a deficient number, since it is larger than the sum of its proper divisors (27164704085).

1003120003243 is a wasteful number, since it uses less digits than its factorization.

1003120003243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404053.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1003120003243 its reverse (3423000213001), we get a palindrome (4426120216244).

The spelling of 1003120003243 in words is "one trillion, three billion, one hundred twenty million, three thousand, two hundred forty-three".