1113605 has 8 divisors (see below), whose sum is σ = 1342752. Its totient is φ = 886608.

The previous prime is 1113599. The next prime is 1113617. The reversal of 1113605 is 5063111.

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 1113605 - 2⁸ = 1113349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (167844).

2^1113605 is an apocalyptic number.

It is an amenable number.

1113605 is a deficient number, since it is larger than the sum of its proper divisors (229147).

1113605 is an equidigital number, since it uses as much as digits as its factorization.

1113605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1113605 is about 1055.2748457156. The cubic root of 1113605 is about 103.6518498874.

Adding to 1113605 its reverse (5063111), we get a palindrome (6176716).

The spelling of 1113605 in words is "one million, one hundred thirteen thousand, six hundred five".