109126220 has 48 divisors (see below), whose sum is σ = 262859520. Its totient is φ = 37278144.

The previous prime is 109126211. The next prime is 109126267. The reversal of 109126220 is 22621901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41711 + ... + 44249.

It is an arithmetic number, because the mean of its divisors is an integer number (5476240).

Almost surely, 2^109126220 is an apocalyptic number.

109126220 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 109126220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131429760).

109126220 is an abundant number, since it is smaller than the sum of its proper divisors (153733300).

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

109126220 is a wasteful number, since it uses less digits than its factorization.

109126220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2860 counting only the distinct ones).

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

The square root of 109126220 is about 10446.3496016551. The cubic root of 109126220 is about 477.8699307052.

The spelling of 109126220 in words is "one hundred nine million, one hundred twenty-six thousand, two hundred twenty".