1202065055617 has 4 divisors (see below), whose sum is σ = 1202975022916. Its totient is φ = 1201155088320.

The previous prime is 1202065055563. The next prime is 1202065055621. The reversal of 1202065055617 is 7165505602021.

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 1047396683776 + 154668371841 = 1023424^2 + 393279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202065055617 - 2¹⁵ = 1202065022849 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 1202065055617.

It is not an unprimeable number, because it can be changed into a prime (1202065055657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454981668 + ... + 454984309.

It is an arithmetic number, because the mean of its divisors is an integer number (300743755729).

Almost surely, 2^{1202065055617} is an apocalyptic number.

It is an amenable number.

1202065055617 is a deficient number, since it is larger than the sum of its proper divisors (909967299).

1202065055617 is an equidigital number, since it uses as much as digits as its factorization.

1202065055617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909967298.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 1202065055617 in words is "one trillion, two hundred two billion, sixty-five million, fifty-five thousand, six hundred seventeen".