1108239 has 24 divisors (see below), whose sum is σ = 1685376. Its totient is φ = 646800.

The previous prime is 1108229. The next prime is 1108241. The reversal of 1108239 is 9328011.

It is not a de Polignac number, because 1108239 - 2⁴ = 1108223 is a prime.

It is a super-2 number, since 2×1108239² = 2456387362242, which contains 22 as substring.

1108239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15574 + ... + 15644.

It is an arithmetic number, because the mean of its divisors is an integer number (70224).

2^1108239 is an apocalyptic number.

1108239 is a deficient number, since it is larger than the sum of its proper divisors (577137).

1108239 is a wasteful number, since it uses less digits than its factorization.

1108239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1108239 is about 1052.7293099368. The cubic root of 1108239 is about 103.4850966896.

The spelling of 1108239 in words is "one million, one hundred eight thousand, two hundred thirty-nine".