1310240042129 has 2 divisors, whose sum is σ = 1310240042130. Its totient is φ = 1310240042128.

The previous prime is 1310240042117. The next prime is 1310240042143. The reversal of 1310240042129 is 9212400420131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219096432129 + 91143610000 = 1104127^2 + 301900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310240042129 - 2¹² = 1310240038033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310240042929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655120021064 + 655120021065.

It is an arithmetic number, because the mean of its divisors is an integer number (655120021065).

Almost surely, 2^{1310240042129} is an apocalyptic number.

It is an amenable number.

1310240042129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310240042129 is an equidigital number, since it uses as much as digits as its factorization.

1310240042129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1310240042129 in words is "one trillion, three hundred ten billion, two hundred forty million, forty-two thousand, one hundred twenty-nine".