1040302003 has 12 divisors (see below), whose sum is σ = 1182398448. Its totient is φ = 909733680.

The previous prime is 1040301971. The next prime is 1040302009. The reversal of 1040302003 is 3002030401.

It is not a de Polignac number, because 1040302003 - 2⁵ = 1040301971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040302009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106143 + ... + 115528.

It is an arithmetic number, because the mean of its divisors is an integer number (98533204).

Almost surely, 2^1040302003 is an apocalyptic number.

1040302003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1040302003 is a deficient number, since it is larger than the sum of its proper divisors (142096445).

1040302003 is a wasteful number, since it uses less digits than its factorization.

1040302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221722 (or 221703 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1040302003 is about 32253.7130110628. The cubic root of 1040302003 is about 1013.2574639378.

Adding to 1040302003 its reverse (3002030401), we get a palindrome (4042332404).

The spelling of 1040302003 in words is "one billion, forty million, three hundred two thousand, three".