1069840727 has 2 divisors, whose sum is σ = 1069840728. Its totient is φ = 1069840726.

The previous prime is 1069840697. The next prime is 1069840729. The reversal of 1069840727 is 7270489601.

It is a strong prime.

It is an emirp because it is prime and its reverse (7270489601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1069840727 - 2⁶ = 1069840663 is a prime.

It is a super-2 number, since 2×1069840727² = 2289118362295777058, which contains 22 as substring.

Together with 1069840729, 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 (1069840729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534920363 + 534920364.

It is an arithmetic number, because the mean of its divisors is an integer number (534920364).

Almost surely, 2^1069840727 is an apocalyptic number.

1069840727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069840727 is an equidigital number, since it uses as much as digits as its factorization.

1069840727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 1069840727 is about 32708.4198181447. The cubic root of 1069840727 is about 1022.7583697569.

The spelling of 1069840727 in words is "one billion, sixty-nine million, eight hundred forty thousand, seven hundred twenty-seven".