1109097 has 24 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 631680.

The previous prime is 1109057. The next prime is 1109113. The reversal of 1109097 is 7909011.

It is not a de Polignac number, because 1109097 - 2⁶ = 1109033 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1109097.

It is not an unprimeable number, because it can be changed into a prime (1109057) 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, 1354 + ... + 2012.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^1109097 is an apocalyptic number.

1109097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1109097 is a deficient number, since it is larger than the sum of its proper divisors (744183).

1109097 is a wasteful number, since it uses less digits than its factorization.

1109097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 1109097 is about 1053.1367432580. The cubic root of 1109097 is about 103.5117958970.

The spelling of 1109097 in words is "one million, one hundred nine thousand, ninety-seven".