109042200 has 240 divisors, whose sum is σ = 388903680. Its totient is φ = 28304640.

The previous prime is 109042189. The next prime is 109042201. The reversal of 109042200 is 2240901.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109042201) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 858537 + ... + 858663.

It is an arithmetic number, because the mean of its divisors is an integer number (1620432).

Almost surely, 2^109042200 is an apocalyptic number.

109042200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109042200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194451840).

109042200 is an abundant number, since it is smaller than the sum of its proper divisors (279861480).

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

109042200 is a wasteful number, since it uses less digits than its factorization.

109042200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 109042200 is about 10442.3273267984. The cubic root of 109042200 is about 477.7472564282.

The spelling of 109042200 in words is "one hundred nine million, forty-two thousand, two hundred".