1085903361 has 8 divisors (see below), whose sum is σ = 1608745760. Its totient is φ = 723935556.

The previous prime is 1085903317. The next prime is 1085903459. The reversal of 1085903361 is 1633095801.

It is a happy number.

1085903361 is a `hidden beast` number, since 1 + 0 + 8 + 590 + 3 + 3 + 61 = 666.

It is not a de Polignac number, because 1085903361 - 2⁶ = 1085903297 is a prime.

It is a super-2 number, since 2×1085903361² = 2358372218862192642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085905361) 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, 20109295 + ... + 20109348.

It is an arithmetic number, because the mean of its divisors is an integer number (201093220).

Almost surely, 2^1085903361 is an apocalyptic number.

It is an amenable number.

1085903361 is a deficient number, since it is larger than the sum of its proper divisors (522842399).

1085903361 is an equidigital number, since it uses as much as digits as its factorization.

1085903361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40218652 (or 40218646 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1085903361 is about 32953.0478256564. The cubic root of 1085903361 is about 1027.8515436248.

The spelling of 1085903361 in words is "one billion, eighty-five million, nine hundred three thousand, three hundred sixty-one".