1113309 has 6 divisors (see below), whose sum is σ = 1608126. Its totient is φ = 742200.

The previous prime is 1113257. The next prime is 1113317. The reversal of 1113309 is 9033111.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 356409 = 870^2 + 597^2 .

It is not a de Polignac number, because 1113309 - 2⁷ = 1113181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1113291 and 1113300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113319) 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 5 ways as a sum of consecutive naturals, for example, 61842 + ... + 61859.

It is an arithmetic number, because the mean of its divisors is an integer number (268021).

2^1113309 is an apocalyptic number.

It is an amenable number.

1113309 is a deficient number, since it is larger than the sum of its proper divisors (494817).

1113309 is a wasteful number, since it uses less digits than its factorization.

1113309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123707 (or 123704 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1113309 is about 1055.1345885715. The cubic root of 1113309 is about 103.6426654021.

The spelling of 1113309 in words is "one million, one hundred thirteen thousand, three hundred nine".