117546321 has 4 divisors (see below), whose sum is σ = 156728432. Its totient is φ = 78364212.

The previous prime is 117546301. The next prime is 117546361. The reversal of 117546321 is 123645711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117546321 - 2⁹ = 117545809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117546301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19591051 + ... + 19591056.

It is an arithmetic number, because the mean of its divisors is an integer number (39182108).

Almost surely, 2^117546321 is an apocalyptic number.

It is an amenable number.

117546321 is a deficient number, since it is larger than the sum of its proper divisors (39182111).

117546321 is an equidigital number, since it uses as much as digits as its factorization.

117546321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39182110.

The product of its digits is 5040, while the sum is 30.

The square root of 117546321 is about 10841.8781122092. The cubic root of 117546321 is about 489.8574081830.

The spelling of 117546321 in words is "one hundred seventeen million, five hundred forty-six thousand, three hundred twenty-one".