1205232005 has 8 divisors (see below), whose sum is σ = 1450158072. Its totient is φ = 961599168.

The previous prime is 1205231927. The next prime is 1205232107. The reversal of 1205232005 is 5002325021.

It can be written as a sum of positive squares in 4 ways, for example, as 322310209 + 882921796 = 17953^2 + 29714^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1205232005 - 2¹⁴ = 1205215621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321254 + ... + 324983.

It is an arithmetic number, because the mean of its divisors is an integer number (181269759).

Almost surely, 2^1205232005 is an apocalyptic number.

It is an amenable number.

1205232005 is a deficient number, since it is larger than the sum of its proper divisors (244926067).

1205232005 is an equidigital number, since it uses as much as digits as its factorization.

1205232005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646615.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1205232005 is about 34716.4515035739. The cubic root of 1205232005 is about 1064.2007286720.

Adding to 1205232005 its reverse (5002325021), we get a palindrome (6207557026).

The spelling of 1205232005 in words is "one billion, two hundred five million, two hundred thirty-two thousand, five".