1300003003 has 4 divisors (see below), whose sum is σ = 1400003248. Its totient is φ = 1200002760.

The previous prime is 1300002967. The next prime is 1300003037. The reversal of 1300003003 is 3003000031.

It is a happy number.

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 1300003003 - 2¹⁷ = 1299871931 is a prime.

It is a Duffinian number.

1300003003 is a modest number, since divided by 3003 gives 1300 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1300003043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50000103 + ... + 50000128.

It is an arithmetic number, because the mean of its divisors is an integer number (350000812).

Almost surely, 2^1300003003 is an apocalyptic number.

1300003003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1300003003 is a deficient number, since it is larger than the sum of its proper divisors (100000245).

1300003003 is a wasteful number, since it uses less digits than its factorization.

1300003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100000244.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 1300003003 is about 36055.5543987331. The cubic root of 1300003003 is about 1091.3937234330.

Adding to 1300003003 its reverse (3003000031), we get a palindrome (4303003034).

The spelling of 1300003003 in words is "one billion, three hundred million, three thousand, three".