1085901266 has 8 divisors (see below), whose sum is σ = 1629797004. Its totient is φ = 542635600.

The previous prime is 1085901251. The next prime is 1085901269. The reversal of 1085901266 is 6621095801.

It can be written as a sum of positive squares in 2 ways, for example, as 1015760641 + 70140625 = 31871^2 + 8375^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1085901269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153185 + ... + 160116.

Almost surely, 2^1085901266 is an apocalyptic number.

1085901266 is a deficient number, since it is larger than the sum of its proper divisors (543895738).

1085901266 is a wasteful number, since it uses less digits than its factorization.

1085901266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315036.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1085901266 is about 32953.0160379896. The cubic root of 1085901266 is about 1027.8508826236.

The spelling of 1085901266 in words is "one billion, eighty-five million, nine hundred one thousand, two hundred sixty-six".