1003421133421 has 8 divisors (see below), whose sum is σ = 1174736937024. Its totient is φ = 839097811680.

The previous prime is 1003421133413. The next prime is 1003421133437. The reversal of 1003421133421 is 1243311243001.

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 1003421133421 - 2³ = 1003421133413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003421133821) 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, 1748120155 + ... + 1748120728.

It is an arithmetic number, because the mean of its divisors is an integer number (146842117128).

Almost surely, 2^{1003421133421} is an apocalyptic number.

It is an amenable number.

1003421133421 is a deficient number, since it is larger than the sum of its proper divisors (171315803603).

1003421133421 is an equidigital number, since it uses as much as digits as its factorization.

1003421133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496240931.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1003421133421 its reverse (1243311243001), we get a palindrome (2246732376422).

The spelling of 1003421133421 in words is "one trillion, three billion, four hundred twenty-one million, one hundred thirty-three thousand, four hundred twenty-one".