1044972573121 has 9 divisors (see below), whose sum is σ = 1069884420579. Its totient is φ = 1020627951336.

The previous prime is 1044972573109. The next prime is 1044972573167. The reversal of 1044972573121 is 1213752794401.

The square root of 1044972573121 is 1022239.

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., 249015970225 + 795956602896 = 499015^2 + 892164^2 .

It is not a de Polignac number, because 1044972573121 - 2⁷ = 1044972572993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044972573721) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43944391 + ... + 43968163.

It is an arithmetic number, because the mean of its divisors is an integer number (118876046731).

Almost surely, 2^{1044972573121} is an apocalyptic number.

1044972573121 is the 1022239-th square number.

1044972573121 is the 511120-th centered octagonal number.

It is an amenable number.

1044972573121 is a deficient number, since it is larger than the sum of its proper divisors (24911847458).

1044972573121 is an frugal number, since it uses more digits than its factorization.

1044972573121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47632 (or 23816 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 1044972573121 in words is "one trillion, forty-four billion, nine hundred seventy-two million, five hundred seventy-three thousand, one hundred twenty-one".