109604021 has 8 divisors (see below), whose sum is σ = 113599200. Its totient is φ = 105623280.

The previous prime is 109604017. The next prime is 109604023. The reversal of 109604021 is 120406901.

It is a happy number.

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 109604021 - 2² = 109604017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109604023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13250 + ... + 19868.

It is an arithmetic number, because the mean of its divisors is an integer number (14199900).

Almost surely, 2^109604021 is an apocalyptic number.

It is an amenable number.

109604021 is a deficient number, since it is larger than the sum of its proper divisors (3995179).

109604021 is an equidigital number, since it uses as much as digits as its factorization.

109604021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 109604021 is about 10469.1939040215. The cubic root of 109604021 is about 478.5663545400.

The spelling of 109604021 in words is "one hundred nine million, six hundred four thousand, twenty-one".