1112003 has 2 divisors, whose sum is σ = 1112004. Its totient is φ = 1112002.

The previous prime is 1111991. The next prime is 1112011. The reversal of 1112003 is 3002111.

It is an a-pointer prime, because the next prime (1112011) can be obtained adding 1112003 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112003 - 2¹⁰ = 1110979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556001 + 556002.

It is an arithmetic number, because the mean of its divisors is an integer number (556002).

2^1112003 is an apocalyptic number.

1112003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112003 is an equidigital number, since it uses as much as digits as its factorization.

1112003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1112003 is about 1054.5155285722. The cubic root of 1112003 is about 103.6021225148.

Adding to 1112003 its reverse (3002111), we get a palindrome (4114114).

The spelling of 1112003 in words is "one million, one hundred twelve thousand, three".