1113601 has 8 divisors (see below), whose sum is σ = 1154664. Its totient is φ = 1073280.

The previous prime is 1113599. The next prime is 1113617. The reversal of 1113601 is 1063111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65025 + 1048576 = 255^2 + 1024^2 .

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 1113601 - 2¹ = 1113599 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, 6351 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (144333).

2^1113601 is an apocalyptic number.

It is an amenable number.

1113601 is a deficient number, since it is larger than the sum of its proper divisors (41063).

1113601 is a wasteful number, since it uses less digits than its factorization.

1113601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1113601 is about 1055.2729504730. The cubic root of 1113601 is about 103.6517257836.

Adding to 1113601 its reverse (1063111), we get a palindrome (2176712).

The spelling of 1113601 in words is "one million, one hundred thirteen thousand, six hundred one".