112640117 has 2 divisors, whose sum is σ = 112640118. Its totient is φ = 112640116.

The previous prime is 112640107. The next prime is 112640119. The reversal of 112640117 is 711046211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112487236 + 152881 = 10606^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 112640117 - 2⁸ = 112639861 is a prime.

Together with 112640119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 112640092 and 112640101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112640119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56320058 + 56320059.

It is an arithmetic number, because the mean of its divisors is an integer number (56320059).

Almost surely, 2^112640117 is an apocalyptic number.

It is an amenable number.

112640117 is a deficient number, since it is larger than the sum of its proper divisors (1).

112640117 is an equidigital number, since it uses as much as digits as its factorization.

112640117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 112640117 is about 10613.2048411401. The cubic root of 112640117 is about 482.9450261566.

Adding to 112640117 its reverse (711046211), we get a palindrome (823686328).

The spelling of 112640117 in words is "one hundred twelve million, six hundred forty thousand, one hundred seventeen".