1203244020401 has 4 divisors (see below), whose sum is σ = 1203247838052. Its totient is φ = 1203240202752.

The previous prime is 1203244020389. The next prime is 1203244020413. The reversal of 1203244020401 is 1040204423021.

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

It is an interprime number because it is at equal distance from previous prime (1203244020389) and next prime (1203244020413).

It can be written as a sum of positive squares in 2 ways, for example, as 520966368400 + 682277652001 = 721780^2 + 826001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203244020401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203244020301) 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, 1388840 + ... + 2082153.

It is an arithmetic number, because the mean of its divisors is an integer number (300811959513).

Almost surely, 2^{1203244020401} is an apocalyptic number.

It is an amenable number.

1203244020401 is a deficient number, since it is larger than the sum of its proper divisors (3817651).

1203244020401 is an equidigital number, since it uses as much as digits as its factorization.

1203244020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817650.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1203244020401 its reverse (1040204423021), we get a palindrome (2243448443422).

The spelling of 1203244020401 in words is "one trillion, two hundred three billion, two hundred forty-four million, twenty thousand, four hundred one".