117271242 has 48 divisors (see below), whose sum is σ = 279246240. Its totient is φ = 35272800.

The previous prime is 117271229. The next prime is 117271243. The reversal of 117271242 is 242172711.

It is a happy number.

It is a super-3 number, since 3×117271242³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (117271243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25392 + ... + 29652.

It is an arithmetic number, because the mean of its divisors is an integer number (5817630).

Almost surely, 2^117271242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117271242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139623120).

117271242 is an abundant number, since it is smaller than the sum of its proper divisors (161974998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117271242 is a wasteful number, since it uses less digits than its factorization.

117271242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4416 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 117271242 is about 10829.1847338569. The cubic root of 117271242 is about 489.4749923144.

The spelling of 117271242 in words is "one hundred seventeen million, two hundred seventy-one thousand, two hundred forty-two".