1042503004145 has 4 divisors (see below), whose sum is σ = 1251003604980. Its totient is φ = 834002403312.

The previous prime is 1042503004129. The next prime is 1042503004187. The reversal of 1042503004145 is 5414003052401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 477955143649 + 564547860496 = 691343^2 + 751364^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042503004145 - 2⁴ = 1042503004129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104250300410 + ... + 104250300419.

It is an arithmetic number, because the mean of its divisors is an integer number (312750901245).

Almost surely, 2^{1042503004145} is an apocalyptic number.

It is an amenable number.

1042503004145 is a deficient number, since it is larger than the sum of its proper divisors (208500600835).

1042503004145 is an equidigital number, since it uses as much as digits as its factorization.

1042503004145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208500600834.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1042503004145 its reverse (5414003052401), we get a palindrome (6456506056546).

The spelling of 1042503004145 in words is "one trillion, forty-two billion, five hundred three million, four thousand, one hundred forty-five".