1001201030129 has 2 divisors, whose sum is σ = 1001201030130. Its totient is φ = 1001201030128.

The previous prime is 1001201030077. The next prime is 1001201030191. The reversal of 1001201030129 is 9210301021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979585267600 + 21615762529 = 989740^2 + 147023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001201030129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001201030129.

It is not a weakly prime, because it can be changed into another prime (1001201020129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500600515064 + 500600515065.

It is an arithmetic number, because the mean of its divisors is an integer number (500600515065).

Almost surely, 2^{1001201030129} is an apocalyptic number.

It is an amenable number.

1001201030129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001201030129 is an equidigital number, since it uses as much as digits as its factorization.

1001201030129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 1001201030129 in words is "one trillion, one billion, two hundred one million, thirty thousand, one hundred twenty-nine".