2120234117 has 8 divisors (see below), whose sum is σ = 2152340760. Its totient is φ = 2088345600.

The previous prime is 2120234113. The next prime is 2120234159. The reversal of 2120234117 is 7114320212.

It is a Cunningham number, because it is equal to 46046²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 513747556 + 1606486561 = 22666^2 + 40081^2 .

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 2120234117 - 2² = 2120234113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120234092 and 2120234101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120234113) 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, 34892 + ... + 73877.

It is an arithmetic number, because the mean of its divisors is an integer number (269042595).

Almost surely, 2^2120234117 is an apocalyptic number.

It is an amenable number.

2120234117 is a deficient number, since it is larger than the sum of its proper divisors (32106643).

2120234117 is a wasteful number, since it uses less digits than its factorization.

2120234117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109063.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2120234117 is about 46046.0000108587. Note that the first 4 decimals coincide. The cubic root of 2120234117 is about 1284.6789443539.

Adding to 2120234117 its reverse (7114320212), we get a palindrome (9234554329).

The spelling of 2120234117 in words is "two billion, one hundred twenty million, two hundred thirty-four thousand, one hundred seventeen".