117272173 has 2 divisors, whose sum is σ = 117272174. Its totient is φ = 117272172.

The previous prime is 117272167. The next prime is 117272179. The reversal of 117272173 is 371272711.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (117272167) and next prime (117272179).

It can be written as a sum of positive squares in only one way, i.e., 117029124 + 243049 = 10818^2 + 493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117272173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117272179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58636086 + 58636087.

It is an arithmetic number, because the mean of its divisors is an integer number (58636087).

Almost surely, 2^117272173 is an apocalyptic number.

It is an amenable number.

117272173 is a deficient number, since it is larger than the sum of its proper divisors (1).

117272173 is an equidigital number, since it uses as much as digits as its factorization.

117272173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 31.

The square root of 117272173 is about 10829.2277194637. The cubic root of 117272173 is about 489.4762876022.

The spelling of 117272173 in words is "one hundred seventeen million, two hundred seventy-two thousand, one hundred seventy-three".