1298106572197 has 8 divisors (see below), whose sum is σ = 1342974318840. Its totient is φ = 1253245855680.

The previous prime is 1298106572173. The next prime is 1298106572201. The reversal of 1298106572197 is 7912756018921.

It can be written as a sum of positive squares in 4 ways, for example, as 643667639521 + 654438932676 = 802289^2 + 808974^2 .

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 1298106572197 - 2⁷ = 1298106572069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298106872197) 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, 1380478 + ... + 2121775.

It is an arithmetic number, because the mean of its divisors is an integer number (167871789855).

Almost surely, 2^{1298106572197} is an apocalyptic number.

It is an amenable number.

1298106572197 is a deficient number, since it is larger than the sum of its proper divisors (44867746643).

1298106572197 is a wasteful number, since it uses less digits than its factorization.

1298106572197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515063.

The product of its (nonzero) digits is 3810240, while the sum is 58.

The spelling of 1298106572197 in words is "one trillion, two hundred ninety-eight billion, one hundred six million, five hundred seventy-two thousand, one hundred ninety-seven".