1109297 has 8 divisors (see below), whose sum is σ = 1302336. Its totient is φ = 924912.

The previous prime is 1109291. The next prime is 1109309. The reversal of 1109297 is 7929011.

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

It is a cyclic number.

It is not a de Polignac number, because 1109297 - 2⁴ = 1109281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1109291) 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, 1883 + ... + 2400.

It is an arithmetic number, because the mean of its divisors is an integer number (162792).

2^1109297 is an apocalyptic number.

It is an amenable number.

1109297 is a deficient number, since it is larger than the sum of its proper divisors (193039).

1109297 is an equidigital number, since it uses as much as digits as its factorization.

1109297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 1109297 is about 1053.2316934084. The cubic root of 1109297 is about 103.5180175094.

The spelling of 1109297 in words is "one million, one hundred nine thousand, two hundred ninety-seven".