1120001002003 has 16 divisors (see below), whose sum is σ = 1248001282080. Its totient is φ = 997993334016.

The previous prime is 1120001001989. The next prime is 1120001002019. The reversal of 1120001002003 is 3002001000211.

It is a cyclic number.

It is not a de Polignac number, because 1120001002003 - 2⁵ = 1120001001971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120001002093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560376 + ... + 2162122.

It is an arithmetic number, because the mean of its divisors is an integer number (78000080130).

Almost surely, 2^{1120001002003} is an apocalyptic number.

1120001002003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1120001002003 is a deficient number, since it is larger than the sum of its proper divisors (128000280077).

1120001002003 is a wasteful number, since it uses less digits than its factorization.

1120001002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606726.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1120001002003 its reverse (3002001000211), we get a palindrome (4122002002214).

The spelling of 1120001002003 in words is "one trillion, one hundred twenty billion, one million, two thousand, three".