1109697 has 8 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 732672.

The previous prime is 1109663. The next prime is 1109723. The reversal of 1109697 is 7969011.

1109697 is nontrivially palindromic in base 4.

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

It is not a de Polignac number, because 1109697 - 2¹⁶ = 1044161 is a prime.

1109697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1109197) 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, 1408 + ... + 2049.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

2^1109697 is an apocalyptic number.

It is an amenable number.

1109697 is a deficient number, since it is larger than the sum of its proper divisors (384159).

1109697 is a wasteful number, since it uses less digits than its factorization.

1109697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1109697 is about 1053.4215680344. The cubic root of 1109697 is about 103.5304584911.

The spelling of 1109697 in words is "one million, one hundred nine thousand, six hundred ninety-seven".