1090678871 has 2 divisors, whose sum is σ = 1090678872. Its totient is φ = 1090678870.

The previous prime is 1090678867. The next prime is 1090678879. The reversal of 1090678871 is 1788760901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1090678871 - 2² = 1090678867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090678879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545339435 + 545339436.

It is an arithmetic number, because the mean of its divisors is an integer number (545339436).

Almost surely, 2^1090678871 is an apocalyptic number.

1090678871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090678871 is an equidigital number, since it uses as much as digits as its factorization.

1090678871 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 47.

The square root of 1090678871 is about 33025.4276429541. The cubic root of 1090678871 is about 1029.3560781864.

The spelling of 1090678871 in words is "one billion, ninety million, six hundred seventy-eight thousand, eight hundred seventy-one".