1042564003 has 4 divisors (see below), whose sum is σ = 1122761248. Its totient is φ = 962366760.

The previous prime is 1042564001. The next prime is 1042564009. The reversal of 1042564003 is 3004652401.

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

It is a cyclic number.

It is not a de Polignac number, because 1042564003 - 2¹ = 1042564001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042564001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40098603 + ... + 40098628.

It is an arithmetic number, because the mean of its divisors is an integer number (280690312).

Almost surely, 2^1042564003 is an apocalyptic number.

1042564003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042564003 is a deficient number, since it is larger than the sum of its proper divisors (80197245).

1042564003 is an equidigital number, since it uses as much as digits as its factorization.

1042564003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80197244.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1042564003 is about 32288.7597005521. The cubic root of 1042564003 is about 1013.9913306968.

The spelling of 1042564003 in words is "one billion, forty-two million, five hundred sixty-four thousand, three".