1040210321225 has 12 divisors (see below), whose sum is σ = 1365734963484. Its totient is φ = 783217182720.

The previous prime is 1040210321219. The next prime is 1040210321251. The reversal of 1040210321225 is 5221230120401.

It can be written as a sum of positive squares in 6 ways, for example, as 5123839561 + 1035086481664 = 71581^2 + 1017392^2 .

It is not a de Polignac number, because 1040210321225 - 2¹⁴ = 1040210304841 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 1040210321225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1223776424 + ... + 1223777273.

It is an arithmetic number, because the mean of its divisors is an integer number (113811246957).

Almost surely, 2^{1040210321225} is an apocalyptic number.

It is an amenable number.

1040210321225 is a deficient number, since it is larger than the sum of its proper divisors (325524642259).

1040210321225 is a wasteful number, since it uses less digits than its factorization.

1040210321225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447553724 (or 2447553719 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1040210321225 its reverse (5221230120401), we get a palindrome (6261440441626).

The spelling of 1040210321225 in words is "one trillion, forty billion, two hundred ten million, three hundred twenty-one thousand, two hundred twenty-five".