1113409 has 8 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 1002960.

The previous prime is 1113403. The next prime is 1113421. The reversal of 1113409 is 9043111.

It is a happy number.

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 1113409 - 2³ = 1113401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113401) 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, 999 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^1113409 is an apocalyptic number.

It is an amenable number.

1113409 is a deficient number, since it is larger than the sum of its proper divisors (112319).

1113409 is a wasteful number, since it uses less digits than its factorization.

1113409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1113409 is about 1055.1819748271. The cubic root of 1113409 is about 103.6457684508.

The spelling of 1113409 in words is "one million, one hundred thirteen thousand, four hundred nine".