117109 has 2 divisors, whose sum is σ = 117110. Its totient is φ = 117108.

The previous prime is 117101. The next prime is 117119. The reversal of 117109 is 901711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88209 + 28900 = 297^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 117109 - 2³ = 117101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58554 + 58555.

It is an arithmetic number, because the mean of its divisors is an integer number (58555).

2¹¹⁷¹⁰⁹ is an apocalyptic number.

It is an amenable number.

117109 is a deficient number, since it is larger than the sum of its proper divisors (1).

117109 is an equidigital number, since it uses as much as digits as its factorization.

117109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 117109 is about 342.2119226444. The cubic root of 117109 is about 48.9249162433.

The spelling of 117109 in words is "one hundred seventeen thousand, one hundred nine".