1130231005 has 8 divisors (see below), whose sum is σ = 1356592824. Its totient is φ = 903974400.

The previous prime is 1130230999. The next prime is 1130231021. The reversal of 1130231005 is 5001320311.

It can be written as a sum of positive squares in 4 ways, for example, as 333354564 + 796876441 = 18258^2 + 28229^2 .

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

It is not a de Polignac number, because 1130231005 - 2¹³ = 1130222813 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 1130231005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 336 + ... + 47545.

It is an arithmetic number, because the mean of its divisors is an integer number (169574103).

Almost surely, 2^1130231005 is an apocalyptic number.

It is an amenable number.

1130231005 is a deficient number, since it is larger than the sum of its proper divisors (226361819).

1130231005 is an equidigital number, since it uses as much as digits as its factorization.

1130231005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52607.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1130231005 is about 33618.9084445049. The cubic root of 1130231005 is about 1041.6514089570.

Adding to 1130231005 its reverse (5001320311), we get a palindrome (6131551316).

The spelling of 1130231005 in words is "one billion, one hundred thirty million, two hundred thirty-one thousand, five".