1040203243201 has 4 divisors (see below), whose sum is σ = 1040262373332. Its totient is φ = 1040144113072.

The previous prime is 1040203243153. The next prime is 1040203243229. The reversal of 1040203243201 is 1023423020401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247604764801 + 792598478400 = 497599^2 + 890280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040203243201 - 2¹³ = 1040203235009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040203243231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29538670 + ... + 29573863.

It is an arithmetic number, because the mean of its divisors is an integer number (260065593333).

Almost surely, 2^{1040203243201} is an apocalyptic number.

It is an amenable number.

1040203243201 is a deficient number, since it is larger than the sum of its proper divisors (59130131).

1040203243201 is an equidigital number, since it uses as much as digits as its factorization.

1040203243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59130130.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1040203243201 its reverse (1023423020401), we get a palindrome (2063626263602).

The spelling of 1040203243201 in words is "one trillion, forty billion, two hundred three million, two hundred forty-three thousand, two hundred one".