1020107805907 has 2 divisors, whose sum is σ = 1020107805908. Its totient is φ = 1020107805906.

The previous prime is 1020107805883. The next prime is 1020107806001. The reversal of 1020107805907 is 7095087010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020107805907 - 2⁷ = 1020107805779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020107805907.

It is not a weakly prime, because it can be changed into another prime (1020107805107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510053902953 + 510053902954.

It is an arithmetic number, because the mean of its divisors is an integer number (510053902954).

Almost surely, 2^{1020107805907} is an apocalyptic number.

1020107805907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020107805907 is an equidigital number, since it uses as much as digits as its factorization.

1020107805907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 1020107805907 in words is "one trillion, twenty billion, one hundred seven million, eight hundred five thousand, nine hundred seven".