1109801 has 24 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 823200.

The previous prime is 1109791. The next prime is 1109813. The reversal of 1109801 is 1089011.

It is not a de Polignac number, because 1109801 - 2⁶ = 1109737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15596 + ... + 15666.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2^1109801 is an apocalyptic number.

1109801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1109801 is a deficient number, since it is larger than the sum of its proper divisors (367639).

1109801 is a wasteful number, since it uses less digits than its factorization.

1109801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1109801 is about 1053.4709298315. The cubic root of 1109801 is about 103.5336926567.

The spelling of 1109801 in words is "one million, one hundred nine thousand, eight hundred one".