1109941 has 4 divisors (see below), whose sum is σ = 1268512. Its totient is φ = 951372.

The previous prime is 1109921. The next prime is 1109951. The reversal of 1109941 is 1499011.

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.

It is a cyclic number.

It is not a de Polignac number, because 1109941 - 2⁵ = 1109909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79275 + ... + 79288.

It is an arithmetic number, because the mean of its divisors is an integer number (317128).

2^1109941 is an apocalyptic number.

It is an amenable number.

1109941 is a deficient number, since it is larger than the sum of its proper divisors (158571).

1109941 is an equidigital number, since it uses as much as digits as its factorization.

1109941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158570.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1109941 is about 1053.5373747523. The cubic root of 1109941 is about 103.5380460220.

The spelling of 1109941 in words is "one million, one hundred nine thousand, nine hundred forty-one".