1202109868867 has 2 divisors, whose sum is σ = 1202109868868. Its totient is φ = 1202109868866.

The previous prime is 1202109868831. The next prime is 1202109868871. The reversal of 1202109868867 is 7688689012021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202109868867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202109868567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601054934433 + 601054934434.

It is an arithmetic number, because the mean of its divisors is an integer number (601054934434).

Almost surely, 2^{1202109868867} is an apocalyptic number.

1202109868867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202109868867 is an equidigital number, since it uses as much as digits as its factorization.

1202109868867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 1202109868867 in words is "one trillion, two hundred two billion, one hundred nine million, eight hundred sixty-eight thousand, eight hundred sixty-seven".