1113207 has 4 divisors (see below), whose sum is σ = 1484280. Its totient is φ = 742136.

The previous prime is 1113199. The next prime is 1113221. The reversal of 1113207 is 7023111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113207 - 2³ = 1113199 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113257) 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 3 ways as a sum of consecutive naturals, for example, 185532 + ... + 185537.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

2^1113207 is an apocalyptic number.

1113207 is a deficient number, since it is larger than the sum of its proper divisors (371073).

1113207 is an equidigital number, since it uses as much as digits as its factorization.

1113207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371072.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1113207 is about 1055.0862523984. The cubic root of 1113207 is about 103.6395001009.

Adding to 1113207 its reverse (7023111), we get a palindrome (8136318).

The spelling of 1113207 in words is "one million, one hundred thirteen thousand, two hundred seven".