109122617 has 2 divisors, whose sum is σ = 109122618. Its totient is φ = 109122616.

The previous prime is 109122599. The next prime is 109122619. The reversal of 109122617 is 716221901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108910096 + 212521 = 10436^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 109122617 - 2¹² = 109118521 is a prime.

Together with 109122619, it forms a pair of twin primes.

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 109122617.

It is not a weakly prime, because it can be changed into another prime (109122619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54561308 + 54561309.

It is an arithmetic number, because the mean of its divisors is an integer number (54561309).

Almost surely, 2^109122617 is an apocalyptic number.

It is an amenable number.

109122617 is a deficient number, since it is larger than the sum of its proper divisors (1).

109122617 is an equidigital number, since it uses as much as digits as its factorization.

109122617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 109122617 is about 10446.1771476459. The cubic root of 109122617 is about 477.8646714000.

The spelling of 109122617 in words is "one hundred nine million, one hundred twenty-two thousand, six hundred seventeen".