1303121133109 has 2 divisors, whose sum is σ = 1303121133110. Its totient is φ = 1303121133108.

The previous prime is 1303121133103. The next prime is 1303121133131. The reversal of 1303121133109 is 9013311213031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968840584209 + 334280548900 = 984297^2 + 578170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303121133109 - 2¹⁷ = 1303121002037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303121133103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651560566554 + 651560566555.

It is an arithmetic number, because the mean of its divisors is an integer number (651560566555).

Almost surely, 2^{1303121133109} is an apocalyptic number.

It is an amenable number.

1303121133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303121133109 is an equidigital number, since it uses as much as digits as its factorization.

1303121133109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The spelling of 1303121133109 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred nine".