109334821 has 8 divisors (see below), whose sum is σ = 112309344. Its totient is φ = 106399920.

The previous prime is 109334807. The next prime is 109334839. The reversal of 109334821 is 128433901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109334821 - 2²³ = 100946213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109334221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4270 + ... + 15391.

It is an arithmetic number, because the mean of its divisors is an integer number (14038668).

Almost surely, 2^109334821 is an apocalyptic number.

It is an amenable number.

109334821 is a deficient number, since it is larger than the sum of its proper divisors (2974523).

109334821 is an equidigital number, since it uses as much as digits as its factorization.

109334821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19811.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 109334821 is about 10456.3292316185. The cubic root of 109334821 is about 478.1742287785.

The spelling of 109334821 in words is "one hundred nine million, three hundred thirty-four thousand, eight hundred twenty-one".