1026861085 has 8 divisors (see below), whose sum is σ = 1246079160. Its totient is φ = 812258304.

The previous prime is 1026861067. The next prime is 1026861091. The reversal of 1026861085 is 5801686201.

1026861085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 176730436 + 850130649 = 13294^2 + 29157^2 .

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 1026861085 - 2⁵ = 1026861053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153332 + ... + 1154221.

It is an arithmetic number, because the mean of its divisors is an integer number (155759895).

Almost surely, 2^1026861085 is an apocalyptic number.

It is an amenable number.

1026861085 is a deficient number, since it is larger than the sum of its proper divisors (219218075).

1026861085 is an equidigital number, since it uses as much as digits as its factorization.

1026861085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307647.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1026861085 is about 32044.6732702956. The cubic root of 1026861085 is about 1008.8747016786.

The spelling of 1026861085 in words is "one billion, twenty-six million, eight hundred sixty-one thousand, eighty-five".