109112250 has 192 divisors, whose sum is σ = 319527936. Its totient is φ = 24624000.

The previous prime is 109112233. The next prime is 109112279. The reversal of 109112250 is 52211901.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3519735 + ... + 3519765.

It is an arithmetic number, because the mean of its divisors is an integer number (1664208).

Almost surely, 2^109112250 is an apocalyptic number.

109112250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109112250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159763968).

109112250 is an abundant number, since it is smaller than the sum of its proper divisors (210415686).

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

109112250 is a wasteful number, since it uses less digits than its factorization.

109112250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 109112250 is about 10445.6809256266. The cubic root of 109112250 is about 477.8495380265.

The spelling of 109112250 in words is "one hundred nine million, one hundred twelve thousand, two hundred fifty".