1002309902129 has 2 divisors, whose sum is σ = 1002309902130. Its totient is φ = 1002309902128.

The previous prime is 1002309902123. The next prime is 1002309902207. The reversal of 1002309902129 is 9212099032001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723821503729 + 278488398400 = 850777^2 + 527720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002309902129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002309902092 and 1002309902101.

It is not a weakly prime, because it can be changed into another prime (1002309902123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501154951064 + 501154951065.

It is an arithmetic number, because the mean of its divisors is an integer number (501154951065).

Almost surely, 2^{1002309902129} is an apocalyptic number.

It is an amenable number.

1002309902129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002309902129 is an equidigital number, since it uses as much as digits as its factorization.

1002309902129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 1002309902129 in words is "one trillion, two billion, three hundred nine million, nine hundred two thousand, one hundred twenty-nine".