1108538 has 4 divisors (see below), whose sum is σ = 1662810. Its totient is φ = 554268.

The previous prime is 1108537. The next prime is 1108543. The reversal of 1108538 is 8358011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8358011 = 109 ⋅76679.

It can be written as a sum of positive squares in only one way, i.e., 1026169 + 82369 = 1013^2 + 287^2 .

It is not an unprimeable number, because it can be changed into a prime (1108537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277133 + ... + 277136.

2^1108538 is an apocalyptic number.

1108538 is a deficient number, since it is larger than the sum of its proper divisors (554272).

1108538 is an equidigital number, since it uses as much as digits as its factorization.

1108538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554271.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1108538 is about 1052.8713121745. The cubic root of 1108538 is about 103.4944025227.

The spelling of 1108538 in words is "one million, one hundred eight thousand, five hundred thirty-eight".