1301234242109 has 2 divisors, whose sum is σ = 1301234242110. Its totient is φ = 1301234242108.

The previous prime is 1301234242037. The next prime is 1301234242127. The reversal of 1301234242109 is 9012424321031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1298209572100 + 3024670009 = 1139390^2 + 54997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301234242109 - 2¹⁶ = 1301234176573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301234242169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650617121054 + 650617121055.

It is an arithmetic number, because the mean of its divisors is an integer number (650617121055).

Almost surely, 2^{1301234242109} is an apocalyptic number.

It is an amenable number.

1301234242109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301234242109 is an equidigital number, since it uses as much as digits as its factorization.

1301234242109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 1301234242109 in words is "one trillion, three hundred one billion, two hundred thirty-four million, two hundred forty-two thousand, one hundred nine".