117078 has 32 divisors (see below), whose sum is σ = 268800. Its totient is φ = 33696.

The previous prime is 117071. The next prime is 117101. The reversal of 117078 is 870711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117071) by changing a digit.

117078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

2¹¹⁷⁰⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134400).

117078 is an abundant number, since it is smaller than the sum of its proper divisors (151722).

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

117078 is a wasteful number, since it uses less digits than its factorization.

117078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 117078 is about 342.1666260757. The cubic root of 117078 is about 48.9205988801.

Adding to 117078 its reverse (870711), we get a palindrome (987789).

The spelling of 117078 in words is "one hundred seventeen thousand, seventy-eight".