1244971703089 has 9 divisors (see below), whose sum is σ = 1286463318699. Its totient is φ = 1204777852080.

The previous prime is 1244971703077. The next prime is 1244971703111. The reversal of 1244971703089 is 9803071794421.

The square root of 1244971703089 is 1115783.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1107324767025 + 137646936064 = 1052295^2 + 371008^2 .

It is not a de Polignac number, because 1244971703089 - 2⁵ = 1244971703057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244971703389) 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 8 ways as a sum of consecutive naturals, for example, 34571277 + ... + 34607269.

Almost surely, 2^{1244971703089} is an apocalyptic number.

1244971703089 is the 1115783-rd square number.

1244971703089 is the 557892-nd centered octagonal number.

It is an amenable number.

1244971703089 is a deficient number, since it is larger than the sum of its proper divisors (41491615610).

1244971703089 is an frugal number, since it uses more digits than its factorization.

1244971703089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72048 (or 36024 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 1244971703089 in words is "one trillion, two hundred forty-four billion, nine hundred seventy-one million, seven hundred three thousand, eighty-nine".