1203401310073 has 2 divisors, whose sum is σ = 1203401310074. Its totient is φ = 1203401310072.

The previous prime is 1203401310043. The next prime is 1203401310143. The reversal of 1203401310073 is 3700131043021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100814344809 + 102586965264 = 1049197^2 + 320292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203401310073 - 2²¹ = 1203399212921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203401310043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601700655036 + 601700655037.

It is an arithmetic number, because the mean of its divisors is an integer number (601700655037).

Almost surely, 2^{1203401310073} is an apocalyptic number.

It is an amenable number.

1203401310073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203401310073 is an equidigital number, since it uses as much as digits as its factorization.

1203401310073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 1203401310073 its reverse (3700131043021), we get a palindrome (4903532353094).

The spelling of 1203401310073 in words is "one trillion, two hundred three billion, four hundred one million, three hundred ten thousand, seventy-three".