117443520 has 280 divisors, whose sum is σ = 438143904. Its totient is φ = 29804544.

The previous prime is 117443519. The next prime is 117443537. The reversal of 117443520 is 25344711.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 596062 + ... + 596258.

Almost surely, 2^117443520 is an apocalyptic number.

117443520 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 117443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219071952).

117443520 is an abundant number, since it is smaller than the sum of its proper divisors (320700384).

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

117443520 is a wasteful number, since it uses less digits than its factorization.

117443520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 117443520 is about 10837.1361530618. The cubic root of 117443520 is about 489.7145637327.

The spelling of 117443520 in words is "one hundred seventeen million, four hundred forty-three thousand, five hundred twenty".