1020444103397 has 2 divisors, whose sum is σ = 1020444103398. Its totient is φ = 1020444103396.

The previous prime is 1020444103379. The next prime is 1020444103403. The reversal of 1020444103397 is 7933014440201.

Together with previous prime (1020444103379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 908134667521 + 112309435876 = 952961^2 + 335126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020444103397 - 2⁶ = 1020444103333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020444103397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020444103297) 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 as a sum of consecutive naturals, namely, 510222051698 + 510222051699.

It is an arithmetic number, because the mean of its divisors is an integer number (510222051699).

Almost surely, 2^{1020444103397} is an apocalyptic number.

It is an amenable number.

1020444103397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020444103397 is an equidigital number, since it uses as much as digits as its factorization.

1020444103397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 1020444103397 its reverse (7933014440201), we get a palindrome (8953458543598).

The spelling of 1020444103397 in words is "one trillion, twenty billion, four hundred forty-four million, one hundred three thousand, three hundred ninety-seven".