1003103421 has 8 divisors (see below), whose sum is σ = 1342444320. Its totient is φ = 666249072.

The previous prime is 1003103401. The next prime is 1003103447. The reversal of 1003103421 is 1243013001.

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

It is not a de Polignac number, because 1003103421 - 2¹⁸ = 1002841277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003103421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003103401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620695 + ... + 622308.

It is an arithmetic number, because the mean of its divisors is an integer number (167805540).

Almost surely, 2^1003103421 is an apocalyptic number.

It is an amenable number.

1003103421 is a deficient number, since it is larger than the sum of its proper divisors (339340899).

1003103421 is a wasteful number, since it uses less digits than its factorization.

1003103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243275.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1003103421 is about 31671.8079843889. The cubic root of 1003103421 is about 1001.0334053721.

Adding to 1003103421 its reverse (1243013001), we get a palindrome (2246116422).

The spelling of 1003103421 in words is "one billion, three million, one hundred three thousand, four hundred twenty-one".