117489173 has 2 divisors, whose sum is σ = 117489174. Its totient is φ = 117489172.

The previous prime is 117489161. The next prime is 117489199. The reversal of 117489173 is 371984711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78464164 + 39025009 = 8858^2 + 6247^2 .

It is a cyclic number.

It is not a de Polignac number, because 117489173 - 2⁴ = 117489157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117489173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117489133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58744586 + 58744587.

It is an arithmetic number, because the mean of its divisors is an integer number (58744587).

Almost surely, 2^117489173 is an apocalyptic number.

It is an amenable number.

117489173 is a deficient number, since it is larger than the sum of its proper divisors (1).

117489173 is an equidigital number, since it uses as much as digits as its factorization.

117489173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 117489173 is about 10839.2422705649. The cubic root of 117489173 is about 489.7780099541.

The spelling of 117489173 in words is "one hundred seventeen million, four hundred eighty-nine thousand, one hundred seventy-three".