1082686205 has 4 divisors (see below), whose sum is σ = 1299223452. Its totient is φ = 866148960.

The previous prime is 1082686183. The next prime is 1082686211. The reversal of 1082686205 is 5026862801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 217208644 + 865477561 = 14738^2 + 29419^2 .

It is not a de Polignac number, because 1082686205 - 2¹⁰ = 1082685181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108268616 + ... + 108268625.

It is an arithmetic number, because the mean of its divisors is an integer number (324805863).

Almost surely, 2^1082686205 is an apocalyptic number.

It is an amenable number.

1082686205 is a deficient number, since it is larger than the sum of its proper divisors (216537247).

1082686205 is an equidigital number, since it uses as much as digits as its factorization.

1082686205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216537246.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1082686205 is about 32904.1973766266. The cubic root of 1082686205 is about 1026.8354833690.

The spelling of 1082686205 in words is "one billion, eighty-two million, six hundred eighty-six thousand, two hundred five".