1108553 has 8 divisors (see below), whose sum is σ = 1194120. Its totient is φ = 1025280.

The previous prime is 1108543. The next prime is 1108559. The reversal of 1108553 is 3558011.

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 1054729 = 232^2 + 1027^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1108553 - 2⁴ = 1108537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1108559) 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, 503 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (149265).

2^1108553 is an apocalyptic number.

It is an amenable number.

1108553 is a deficient number, since it is larger than the sum of its proper divisors (85567).

1108553 is a wasteful number, since it uses less digits than its factorization.

1108553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1108553 is about 1052.8784355281. The cubic root of 1108553 is about 103.4948693264.

It can be divided in two parts, 1108 and 553, that added together give a palindrome (1661).

The spelling of 1108553 in words is "one million, one hundred eight thousand, five hundred fifty-three".