101706109 has 2 divisors, whose sum is σ = 101706110. Its totient is φ = 101706108.

The previous prime is 101706089. The next prime is 101706119. The reversal of 101706109 is 901607101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100440484 + 1265625 = 10022^2 + 1125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101706109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101706119) 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, 50853054 + 50853055.

It is an arithmetic number, because the mean of its divisors is an integer number (50853055).

Almost surely, 2^101706109 is an apocalyptic number.

It is an amenable number.

101706109 is a deficient number, since it is larger than the sum of its proper divisors (1).

101706109 is an equidigital number, since it uses as much as digits as its factorization.

101706109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 101706109 is about 10084.9446701506. The cubic root of 101706109 is about 466.7836975759.

The spelling of 101706109 in words is "one hundred one million, seven hundred six thousand, one hundred nine".