1042111003 has 2 divisors, whose sum is σ = 1042111004. Its totient is φ = 1042111002.

The previous prime is 1042111001. The next prime is 1042111009. The reversal of 1042111003 is 3001112401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042111003 - 2¹ = 1042111001 is a prime.

Together with 1042111001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1042111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521055501 + 521055502.

It is an arithmetic number, because the mean of its divisors is an integer number (521055502).

Almost surely, 2^1042111003 is an apocalyptic number.

1042111003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042111003 is an equidigital number, since it uses as much as digits as its factorization.

1042111003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1042111003 is about 32281.7441133530. The cubic root of 1042111003 is about 1013.8444477506.

Adding to 1042111003 its reverse (3001112401), we get a palindrome (4043223404).

The spelling of 1042111003 in words is "one billion, forty-two million, one hundred eleven thousand, three".