1040280003 has 80 divisors (see below), whose sum is σ = 1847246016. Its totient is φ = 571069440.

The previous prime is 1040279957. The next prime is 1040280013. The reversal of 1040280003 is 3000820401.

It is a happy number.

It is not a de Polignac number, because 1040280003 - 2¹⁰ = 1040278979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040280013) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1696725 + ... + 1697337.

Almost surely, 2^1040280003 is an apocalyptic number.

1040280003 is a deficient number, since it is larger than the sum of its proper divisors (806966013).

1040280003 is an equidigital number, since it uses as much as digits as its factorization.

1040280003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1040280003 is about 32253.3719632537. The cubic root of 1040280003 is about 1013.2503211974.

The spelling of 1040280003 in words is "one billion, forty million, two hundred eighty thousand, three".