117321450 has 48 divisors (see below), whose sum is σ = 298835040. Its totient is φ = 30438720.

The previous prime is 117321431. The next prime is 117321461. The reversal of 117321450 is 54123711.

It is a self number, because there is not a number n which added to its sum of digits gives 117321450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5020 + ... + 16119.

It is an arithmetic number, because the mean of its divisors is an integer number (6225730).

Almost surely, 2^117321450 is an apocalyptic number.

117321450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117321450 is an abundant number, since it is smaller than the sum of its proper divisors (181513590).

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

117321450 is a wasteful number, since it uses less digits than its factorization.

117321450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191 (or 21186 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 117321450 is about 10831.5026658354. The cubic root of 117321450 is about 489.5448362466.

The spelling of 117321450 in words is "one hundred seventeen million, three hundred twenty-one thousand, four hundred fifty".