1110012003 has 12 divisors (see below), whose sum is σ = 1612211328. Its totient is φ = 735918480.

The previous prime is 1110011989. The next prime is 1110012011. The reversal of 1110012003 is 3002100111.

It is not a de Polignac number, because 1110012003 - 2¹⁸ = 1109749859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1110012403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339075 + ... + 342332.

It is an arithmetic number, because the mean of its divisors is an integer number (134350944).

Almost surely, 2^1110012003 is an apocalyptic number.

1110012003 is a deficient number, since it is larger than the sum of its proper divisors (502199325).

1110012003 is a wasteful number, since it uses less digits than its factorization.

1110012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681594 (or 681591 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1110012003 is about 33316.8426325185. The cubic root of 1110012003 is about 1035.4025375346.

Adding to 1110012003 its reverse (3002100111), we get a palindrome (4112112114).

The spelling of 1110012003 in words is "one billion, one hundred ten million, twelve thousand, three".