912928117 has 2 divisors, whose sum is σ = 912928118. Its totient is φ = 912928116.

The previous prime is 912928111. The next prime is 912928129. The reversal of 912928117 is 711829219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813447441 + 99480676 = 28521^2 + 9974^2 .

It is a cyclic number.

It is not a de Polignac number, because 912928117 - 2³ = 912928109 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 912928117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912928111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456464058 + 456464059.

It is an arithmetic number, because the mean of its divisors is an integer number (456464059).

Almost surely, 2^912928117 is an apocalyptic number.

It is an amenable number.

912928117 is a deficient number, since it is larger than the sum of its proper divisors (1).

912928117 is an equidigital number, since it uses as much as digits as its factorization.

912928117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 40.

The square root of 912928117 is about 30214.7003460236. The cubic root of 912928117 is about 970.0903720668.

The spelling of 912928117 in words is "nine hundred twelve million, nine hundred twenty-eight thousand, one hundred seventeen".