117121193 has 8 divisors (see below), whose sum is σ = 138170880. Its totient is φ = 97151040.

The previous prime is 117121189. The next prime is 117121219. The reversal of 117121193 is 391121711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117121193 - 2² = 117121189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117121153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269648 + ... + 270081.

It is an arithmetic number, because the mean of its divisors is an integer number (17271360).

Almost surely, 2^117121193 is an apocalyptic number.

It is an amenable number.

117121193 is a deficient number, since it is larger than the sum of its proper divisors (21049687).

117121193 is an equidigital number, since it uses as much as digits as its factorization.

117121193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539767.

The product of its digits is 378, while the sum is 26.

The square root of 117121193 is about 10822.2545248206. The cubic root of 117121193 is about 489.2661415094.

The spelling of 117121193 in words is "one hundred seventeen million, one hundred twenty-one thousand, one hundred ninety-three".