1108969 has 4 divisors (see below), whose sum is σ = 1111120. Its totient is φ = 1106820.

The previous prime is 1108967. The next prime is 1108993. The reversal of 1108969 is 9698011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9698011 = 163 ⋅59497.

It is a cyclic number.

It is not a de Polignac number, because 1108969 - 2¹ = 1108967 is a prime.

It is a super-2 number, since 2×1108969² = 2459624485922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (277780).

2^1108969 is an apocalyptic number.

It is an amenable number.

1108969 is a deficient number, since it is larger than the sum of its proper divisors (2151).

1108969 is an equidigital number, since it uses as much as digits as its factorization.

1108969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1108969 is about 1053.0759706688. The cubic root of 1108969 is about 103.5078136726.

The spelling of 1108969 in words is "one million, one hundred eight thousand, nine hundred sixty-nine".