1232245205 has 4 divisors (see below), whose sum is σ = 1478694252. Its totient is φ = 985796160.

The previous prime is 1232245193. The next prime is 1232245207. The reversal of 1232245205 is 5025422321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5025422321 = 69457 ⋅72353.

It can be written as a sum of positive squares in 2 ways, for example, as 361228036 + 871017169 = 19006^2 + 29513^2 .

It is not a de Polignac number, because 1232245205 - 2³⁰ = 158503381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232245207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123224516 + ... + 123224525.

It is an arithmetic number, because the mean of its divisors is an integer number (369673563).

Almost surely, 2^1232245205 is an apocalyptic number.

It is an amenable number.

1232245205 is a deficient number, since it is larger than the sum of its proper divisors (246449047).

1232245205 is an equidigital number, since it uses as much as digits as its factorization.

1232245205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246449046.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1232245205 is about 35103.3503386785. The cubic root of 1232245205 is about 1072.0927989786.

Adding to 1232245205 its reverse (5025422321), we get a palindrome (6257667526).

The spelling of 1232245205 in words is "one billion, two hundred thirty-two million, two hundred forty-five thousand, two hundred five".