1069867871 has 2 divisors, whose sum is σ = 1069867872. Its totient is φ = 1069867870.

The previous prime is 1069867823. The next prime is 1069867873. The reversal of 1069867871 is 1787689601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1069867871 - 2⁶ = 1069867807 is a prime.

It is a super-2 number, since 2×1069867871² = 2289234522796145282, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1069867873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069867873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534933935 + 534933936.

It is an arithmetic number, because the mean of its divisors is an integer number (534933936).

Almost surely, 2^1069867871 is an apocalyptic number.

1069867871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069867871 is an equidigital number, since it uses as much as digits as its factorization.

1069867871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 1069867871 is about 32708.8347545430. The cubic root of 1069867871 is about 1022.7670194926.

The spelling of 1069867871 in words is "one billion, sixty-nine million, eight hundred sixty-seven thousand, eight hundred seventy-one".