117284191 has 8 divisors (see below), whose sum is σ = 124340864. Its totient is φ = 110432160.

The previous prime is 117284183. The next prime is 117284197. The reversal of 117284191 is 191482711.

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

It is a cyclic number.

It is not a de Polignac number, because 117284191 - 2³ = 117284183 is a prime.

It is a super-3 number, since 3×117284191³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117284197) 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, 49980 + ... + 52273.

It is an arithmetic number, because the mean of its divisors is an integer number (15542608).

Almost surely, 2^117284191 is an apocalyptic number.

117284191 is a deficient number, since it is larger than the sum of its proper divisors (7056673).

117284191 is a wasteful number, since it uses less digits than its factorization.

117284191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102321.

The product of its digits is 4032, while the sum is 34.

The square root of 117284191 is about 10829.7825924623. The cubic root of 117284191 is about 489.4930074683.

The spelling of 117284191 in words is "one hundred seventeen million, two hundred eighty-four thousand, one hundred ninety-one".