1303374387121 has 2 divisors, whose sum is σ = 1303374387122. Its totient is φ = 1303374387120.

The previous prime is 1303374387067. The next prime is 1303374387131. The reversal of 1303374387121 is 1217834733031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1173515057521 + 129859329600 = 1083289^2 + 360360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303374387121 - 2¹⁵ = 1303374354353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303374387131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651687193560 + 651687193561.

It is an arithmetic number, because the mean of its divisors is an integer number (651687193561).

Almost surely, 2^{1303374387121} is an apocalyptic number.

It is an amenable number.

1303374387121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303374387121 is an equidigital number, since it uses as much as digits as its factorization.

1303374387121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 1303374387121 in words is "one trillion, three hundred three billion, three hundred seventy-four million, three hundred eighty-seven thousand, one hundred twenty-one".