1233130005 has 12 divisors (see below), whose sum is σ = 2137425420. Its totient is φ = 657669312.

The previous prime is 1233129991. The next prime is 1233130007. The reversal of 1233130005 is 5000313321.

It can be written as a sum of positive squares in 2 ways, for example, as 127035441 + 1106094564 = 11271^2 + 33258^2 .

It is not a de Polignac number, because 1233130005 - 2²⁹ = 696259093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1233130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233130007) 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, 13701400 + ... + 13701489.

It is an arithmetic number, because the mean of its divisors is an integer number (178118785).

Almost surely, 2^1233130005 is an apocalyptic number.

1233130005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1233130005 is a deficient number, since it is larger than the sum of its proper divisors (904295415).

1233130005 is a wasteful number, since it uses less digits than its factorization.

1233130005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27402900 (or 27402897 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1233130005 is about 35115.9508628202. The cubic root of 1233130005 is about 1072.3493390336.

Adding to 1233130005 its reverse (5000313321), we get a palindrome (6233443326).

The spelling of 1233130005 in words is "one billion, two hundred thirty-three million, one hundred thirty thousand, five".