2113117 has 4 divisors (see below), whose sum is σ = 2237436. Its totient is φ = 1988800.

The previous prime is 2113109. The next prime is 2113129. The reversal of 2113117 is 7113112.

2113117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1811716 + 301401 = 1346^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113117 - 2³ = 2113109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62134 + ... + 62167.

It is an arithmetic number, because the mean of its divisors is an integer number (559359).

2^2113117 is an apocalyptic number.

It is an amenable number.

2113117 is a deficient number, since it is larger than the sum of its proper divisors (124319).

2113117 is a wasteful number, since it uses less digits than its factorization.

2113117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124318.

The product of its digits is 42, while the sum is 16.

The square root of 2113117 is about 1453.6564243314. The cubic root of 2113117 is about 128.3239880004.

Adding to 2113117 its reverse (7113112), we get a palindrome (9226229).

The spelling of 2113117 in words is "two million, one hundred thirteen thousand, one hundred seventeen".