1110409 has 4 divisors (see below), whose sum is σ = 1113604. Its totient is φ = 1107216.

The previous prime is 1110401. The next prime is 1110413. The reversal of 1110409 is 9040111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9040111 = 83 ⋅108917.

It can be written as a sum of positive squares in 2 ways, for example, as 783225 + 327184 = 885^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110409 - 2³ = 1110401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110392 and 1110401.

It is not an unprimeable number, because it can be changed into a prime (1110401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (278401).

2^1110409 is an apocalyptic number.

It is an amenable number.

1110409 is a deficient number, since it is larger than the sum of its proper divisors (3195).

1110409 is an equidigital number, since it uses as much as digits as its factorization.

1110409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1110409 is about 1053.7594602185. The cubic root of 1110409 is about 103.5525960436.

The spelling of 1110409 in words is "one million, one hundred ten thousand, four hundred nine".