109321506 has 24 divisors (see below), whose sum is σ = 270701184. Its totient is φ = 31234680.

The previous prime is 109321501. The next prime is 109321519. The reversal of 109321506 is 605123901.

It is a self number, because there is not a number n which added to its sum of digits gives 109321506.

It is not an unprimeable number, because it can be changed into a prime (109321501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433690 + ... + 433941.

It is an arithmetic number, because the mean of its divisors is an integer number (11279216).

Almost surely, 2^109321506 is an apocalyptic number.

109321506 is an abundant number, since it is smaller than the sum of its proper divisors (161379678).

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

109321506 is a wasteful number, since it uses less digits than its factorization.

109321506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867646 (or 867643 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 109321506 is about 10455.6925165194. The cubic root of 109321506 is about 478.1548170050.

The spelling of 109321506 in words is "one hundred nine million, three hundred twenty-one thousand, five hundred six".