109199424 has 56 divisors (see below), whose sum is σ = 295095168. Its totient is φ = 35622400.

The previous prime is 109199417. The next prime is 109199429. The reversal of 109199424 is 424991901.

It is not an unprimeable number, because it can be changed into a prime (109199429) 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, 2974 + ... + 15074.

Almost surely, 2^109199424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109199424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147547584).

109199424 is an abundant number, since it is smaller than the sum of its proper divisors (185895744).

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

109199424 is a wasteful number, since it uses less digits than its factorization.

109199424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12163 (or 12153 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 109199424 is about 10449.8528219301. The cubic root of 109199424 is about 477.9767616487.

The spelling of 109199424 in words is "one hundred nine million, one hundred ninety-nine thousand, four hundred twenty-four".