1085830281 has 12 divisors (see below), whose sum is σ = 1604897008. Its totient is φ = 707052024.

The previous prime is 1085830243. The next prime is 1085830303. The reversal of 1085830281 is 1820385801.

It is not a de Polignac number, because 1085830281 - 2⁶ = 1085830217 is a prime.

It is a super-3 number, since 3×1085830281³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085830201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402495 + ... + 1403268.

Almost surely, 2^1085830281 is an apocalyptic number.

It is an amenable number.

1085830281 is a deficient number, since it is larger than the sum of its proper divisors (519066727).

1085830281 is a wasteful number, since it uses less digits than its factorization.

1085830281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805812 (or 2805809 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 1085830281 is about 32951.9389566077. The cubic root of 1085830281 is about 1027.8284853802.

The spelling of 1085830281 in words is "one billion, eighty-five million, eight hundred thirty thousand, two hundred eighty-one".