1204786108573 has 4 divisors (see below), whose sum is σ = 1205913131260. Its totient is φ = 1203659085888.

The previous prime is 1204786108571. The next prime is 1204786108607. The reversal of 1204786108573 is 3758016874021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 564501276889 + 640284831684 = 751333^2 + 800178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204786108573 - 2¹ = 1204786108571 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 1204786108573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204786108571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563509740 + ... + 563511877.

It is an arithmetic number, because the mean of its divisors is an integer number (301478282815).

Almost surely, 2^{1204786108573} is an apocalyptic number.

It is an amenable number.

1204786108573 is a deficient number, since it is larger than the sum of its proper divisors (1127022687).

1204786108573 is a wasteful number, since it uses less digits than its factorization.

1204786108573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127022686.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 1204786108573 in words is "one trillion, two hundred four billion, seven hundred eighty-six million, one hundred eight thousand, five hundred seventy-three".