117450 has 60 divisors (see below), whose sum is σ = 337590. Its totient is φ = 30240.

The previous prime is 117443. The next prime is 117497. The reversal of 117450 is 54711.

It can be written as a sum of positive squares in 3 ways, for example, as 88209 + 29241 = 297^2 + 171^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 117450.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4036 + ... + 4064.

2¹¹⁷⁴⁵⁰ is an apocalyptic number.

117450 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 117450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168795).

117450 is an abundant number, since it is smaller than the sum of its proper divisors (220140).

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

117450 is a wasteful number, since it uses less digits than its factorization.

117450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 117450 is about 342.7097897639. The cubic root of 117450 is about 48.9723570309.

It can be divided in two parts, 117 and 450, that multiplied together give a triangular number (52650 = T₃₂₄).

The spelling of 117450 in words is "one hundred seventeen thousand, four hundred fifty".