117187500 has 66 divisors (see below), whose sum is σ = 341796868. Its totient is φ = 31250000.

The previous prime is 117187493. The next prime is 117187519. The reversal of 117187500 is 5781711.

It is a happy number.

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

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 625 × 375 × 500.

It is an unprimeable number.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 23437498 + ... + 23437502.

Almost surely, 2^117187500 is an apocalyptic number.

117187500 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 117187500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170898434).

117187500 is an abundant number, since it is smaller than the sum of its proper divisors (224609368).

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

117187500 is an frugal number, since it uses more digits than its factorization.

117187500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 30.

The square root of 117187500 is about 10825.3175473055. The cubic root of 117187500 is about 489.3584551461.

The spelling of 117187500 in words is "one hundred seventeen million, one hundred eighty-seven thousand, five hundred".