1108281 has 16 divisors (see below), whose sum is σ = 1617408. Its totient is φ = 672000.

The previous prime is 1108267. The next prime is 1108313. The reversal of 1108281 is 1828011.

It is not a de Polignac number, because 1108281 - 2¹¹ = 1106233 is a prime.

It is a super-2 number, since 2×1108281² = 2456573549922, which contains 22 as substring.

It is a Curzon number.

1108281 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231 + ... + 1931.

It is an arithmetic number, because the mean of its divisors is an integer number (101088).

2^1108281 is an apocalyptic number.

It is an amenable number.

1108281 is a deficient number, since it is larger than the sum of its proper divisors (509127).

1108281 is a wasteful number, since it uses less digits than its factorization.

1108281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1108281 is about 1052.7492578957. The cubic root of 1108281 is about 103.4864039645.

The spelling of 1108281 in words is "one million, one hundred eight thousand, two hundred eighty-one".