1001024013403 has 4 divisors (see below), whose sum is σ = 1001748869248. Its totient is φ = 1000299157560.

The previous prime is 1001024013389. The next prime is 1001024013419. The reversal of 1001024013403 is 3043104201001.

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 1001024013403 - 2¹³ = 1001024005211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001024013443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362425851 + ... + 362428612.

It is an arithmetic number, because the mean of its divisors is an integer number (250437217312).

Almost surely, 2^{1001024013403} is an apocalyptic number.

1001024013403 is a deficient number, since it is larger than the sum of its proper divisors (724855845).

1001024013403 is an equidigital number, since it uses as much as digits as its factorization.

1001024013403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724855844.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1001024013403 its reverse (3043104201001), we get a palindrome (4044128214404).

The spelling of 1001024013403 in words is "one trillion, one billion, twenty-four million, thirteen thousand, four hundred three".