1204606857205 has 8 divisors (see below), whose sum is σ = 1445694643800. Its totient is φ = 963574542336.

The previous prime is 1204606857203. The next prime is 1204606857221. The reversal of 1204606857205 is 5027586064021.

It can be written as a sum of positive squares in 4 ways, for example, as 481334851089 + 723272006116 = 693783^2 + 850454^2 .

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 1204606857205 - 2¹ = 1204606857203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204606857203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13820140 + ... + 13907029.

It is an arithmetic number, because the mean of its divisors is an integer number (180711830475).

Almost surely, 2^{1204606857205} is an apocalyptic number.

It is an amenable number.

1204606857205 is a deficient number, since it is larger than the sum of its proper divisors (241087786595).

1204606857205 is an equidigital number, since it uses as much as digits as its factorization.

1204606857205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27735863.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 1204606857205 in words is "one trillion, two hundred four billion, six hundred six million, eight hundred fifty-seven thousand, two hundred five".