1428730003 has 4 divisors (see below), whose sum is σ = 1435137088. Its totient is φ = 1422322920.

The previous prime is 1428730001. The next prime is 1428730007. The reversal of 1428730003 is 3000378241.

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 1428730003 - 2¹ = 1428730001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428730001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203208 + ... + 3203653.

It is an arithmetic number, because the mean of its divisors is an integer number (358784272).

Almost surely, 2^1428730003 is an apocalyptic number.

1428730003 is a deficient number, since it is larger than the sum of its proper divisors (6407085).

1428730003 is an equidigital number, since it uses as much as digits as its factorization.

1428730003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407084.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1428730003 is about 37798.5449852240. The cubic root of 1428730003 is about 1126.2895508618.

The spelling of 1428730003 in words is "one billion, four hundred twenty-eight million, seven hundred thirty thousand, three".