117045216 has 48 divisors (see below), whose sum is σ = 341384400. Its totient is φ = 39014784.

The previous prime is 117045209. The next prime is 117045223. The reversal of 117045216 is 612540711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117045209) and next prime (117045223).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 117045216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66871 + ... + 68598.

It is an arithmetic number, because the mean of its divisors is an integer number (7112175).

Almost surely, 2^117045216 is an apocalyptic number.

117045216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117045216 is an abundant number, since it is smaller than the sum of its proper divisors (224339184).

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

117045216 is a wasteful number, since it uses less digits than its factorization.

117045216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135488 (or 135474 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 117045216 is about 10818.7437348335. The cubic root of 117045216 is about 489.1603223044.

Adding to 117045216 its reverse (612540711), we get a palindrome (729585927).

The spelling of 117045216 in words is "one hundred seventeen million, forty-five thousand, two hundred sixteen".