1003123021301 has 2 divisors, whose sum is σ = 1003123021302. Its totient is φ = 1003123021300.

The previous prime is 1003123021289. The next prime is 1003123021339. The reversal of 1003123021301 is 1031203213001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1001652682276 + 1470339025 = 1000826^2 + 38345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003123021301 - 2¹⁸ = 1003122759157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003123021301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003123027301) 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, 501561510650 + 501561510651.

It is an arithmetic number, because the mean of its divisors is an integer number (501561510651).

Almost surely, 2^{1003123021301} is an apocalyptic number.

It is an amenable number.

1003123021301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003123021301 is an equidigital number, since it uses as much as digits as its factorization.

1003123021301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1003123021301 its reverse (1031203213001), we get a palindrome (2034326234302).

The spelling of 1003123021301 in words is "one trillion, three billion, one hundred twenty-three million, twenty-one thousand, three hundred one".