1042100003 has 12 divisors (see below), whose sum is σ = 1224741672. Its totient is φ = 884016000.

The previous prime is 1042099991. The next prime is 1042100041. The reversal of 1042100003 is 3000012401.

It is a happy number.

It is not a de Polignac number, because 1042100003 - 2¹⁰ = 1042098979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042100053) 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 in 11 ways as a sum of consecutive naturals, for example, 104873 + ... + 114378.

It is an arithmetic number, because the mean of its divisors is an integer number (102061806).

Almost surely, 2^1042100003 is an apocalyptic number.

1042100003 is a deficient number, since it is larger than the sum of its proper divisors (182641669).

1042100003 is an equidigital number, since it uses as much as digits as its factorization.

1042100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219362 (or 219355 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1042100003 is about 32281.5737379701. The cubic root of 1042100003 is about 1013.8408805272.

Adding to 1042100003 its reverse (3000012401), we get a palindrome (4042112404).

The spelling of 1042100003 in words is "one billion, forty-two million, one hundred thousand, three".