1043220513 has 8 divisors (see below), whose sum is σ = 1428554368. Its totient is φ = 676683504.

The previous prime is 1043220481. The next prime is 1043220527. The reversal of 1043220513 is 3150223401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1043220513 - 2⁵ = 1043220481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1043220513.

It is not an unprimeable number, because it can be changed into a prime (1043220533) 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 7 ways as a sum of consecutive naturals, for example, 4699081 + ... + 4699302.

It is an arithmetic number, because the mean of its divisors is an integer number (178569296).

Almost surely, 2^1043220513 is an apocalyptic number.

It is an amenable number.

1043220513 is a deficient number, since it is larger than the sum of its proper divisors (385333855).

1043220513 is an equidigital number, since it uses as much as digits as its factorization.

1043220513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398423.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1043220513 is about 32298.9243319340. The cubic root of 1043220513 is about 1014.2041252317.

Adding to 1043220513 its reverse (3150223401), we get a palindrome (4193443914).

The spelling of 1043220513 in words is "one billion, forty-three million, two hundred twenty thousand, five hundred thirteen".