2123117 has 8 divisors (see below), whose sum is σ = 2254560. Its totient is φ = 1993680.

The previous prime is 2123087. The next prime is 2123123. The reversal of 2123117 is 7113212.

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 2123117 - 2⁶ = 2123053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123095 and 2123104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123137) 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, 2063 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (281820).

2^2123117 is an apocalyptic number.

It is an amenable number.

2123117 is a deficient number, since it is larger than the sum of its proper divisors (131443).

2123117 is a wasteful number, since it uses less digits than its factorization.

2123117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 84, while the sum is 17.

The square root of 2123117 is about 1457.0919668985. The cubic root of 2123117 is about 128.5260940109.

Adding to 2123117 its reverse (7113212), we get a palindrome (9236329).

The spelling of 2123117 in words is "two million, one hundred twenty-three thousand, one hundred seventeen".