111004003 has 16 divisors (see below), whose sum is σ = 126749952. Its totient is φ = 96228000.

The previous prime is 111004001. The next prime is 111004007. The reversal of 111004003 is 300400111.

It is a happy number.

It is not a de Polignac number, because 111004003 - 2¹ = 111004001 is a prime.

It is a super-3 number, since 3×111004003³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111004001) 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, 136468 + ... + 137278.

It is an arithmetic number, because the mean of its divisors is an integer number (7921872).

Almost surely, 2^111004003 is an apocalyptic number.

111004003 is a deficient number, since it is larger than the sum of its proper divisors (15745949).

111004003 is a wasteful number, since it uses less digits than its factorization.

111004003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

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

The square root of 111004003 is about 10535.8437251129. The cubic root of 111004003 is about 480.5953304782.

Adding to 111004003 its reverse (300400111), we get a palindrome (411404114).

The spelling of 111004003 in words is "one hundred eleven million, four thousand, three".