117318630 has 256 divisors, whose sum is σ = 365783040. Its totient is φ = 23654400.

The previous prime is 117318623. The next prime is 117318637. The reversal of 117318630 is 36813711.

It is an interprime number because it is at equal distance from previous prime (117318623) and next prime (117318637).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117318637) 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 127 ways as a sum of consecutive naturals, for example, 2861410 + ... + 2861450.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^117318630 is an apocalyptic number.

117318630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117318630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182891520).

117318630 is an abundant number, since it is smaller than the sum of its proper divisors (248464410).

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

117318630 is a wasteful number, since it uses less digits than its factorization.

117318630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 117318630 is about 10831.3724892093. The cubic root of 117318630 is about 489.5409138963.

The spelling of 117318630 in words is "one hundred seventeen million, three hundred eighteen thousand, six hundred thirty".