1086281 has 8 divisors (see below), whose sum is σ = 1267200. Its totient is φ = 930804.

The previous prime is 1086277. The next prime is 1086299. The reversal of 1086281 is 1826801.

It is not a de Polignac number, because 1086281 - 2² = 1086277 is a prime.

It is a super-2 number, since 2×1086281² = 2360012821922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086281.

It is not an unprimeable number, because it can be changed into a prime (1086251) 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, 1241 + ... + 1926.

It is an arithmetic number, because the mean of its divisors is an integer number (158400).

2^1086281 is an apocalyptic number.

It is an amenable number.

1086281 is a deficient number, since it is larger than the sum of its proper divisors (180919).

1086281 is an frugal number, since it uses more digits than its factorization.

1086281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1086281 is about 1042.2480510896. The cubic root of 1086281 is about 102.7970680022.

The spelling of 1086281 in words is "one million, eighty-six thousand, two hundred eighty-one".