1082105689 has 8 divisors (see below), whose sum is σ = 1301781440. Its totient is φ = 878702256.

The previous prime is 1082105627. The next prime is 1082105711. The reversal of 1082105689 is 9865012801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1082105689 - 2¹¹ = 1082103641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082105389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4067934 + ... + 4068199.

It is an arithmetic number, because the mean of its divisors is an integer number (162722680).

Almost surely, 2^1082105689 is an apocalyptic number.

1082105689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1082105689 is a deficient number, since it is larger than the sum of its proper divisors (219675751).

1082105689 is an equidigital number, since it uses as much as digits as its factorization.

1082105689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136159.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1082105689 is about 32895.3748876647. The cubic root of 1082105689 is about 1026.6519272612.

The spelling of 1082105689 in words is "one billion, eighty-two million, one hundred five thousand, six hundred eighty-nine".