117042280 has 64 divisors (see below), whose sum is σ = 293544000. Its totient is φ = 41739264.

The previous prime is 117042269. The next prime is 117042307. The reversal of 117042280 is 82240711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8391 + ... + 17449.

It is an arithmetic number, because the mean of its divisors is an integer number (4586625).

Almost surely, 2^117042280 is an apocalyptic number.

117042280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117042280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146772000).

117042280 is an abundant number, since it is smaller than the sum of its proper divisors (176501720).

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

117042280 is a wasteful number, since it uses less digits than its factorization.

117042280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9102 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 117042280 is about 10818.6080435516. The cubic root of 117042280 is about 489.1562321850.

Adding to 117042280 its reverse (82240711), we get a palindrome (199282991).

The spelling of 117042280 in words is "one hundred seventeen million, forty-two thousand, two hundred eighty".