109213170 has 64 divisors (see below), whose sum is σ = 287743104. Its totient is φ = 26309120.

The previous prime is 109213141. The next prime is 109213171. The reversal of 109213170 is 71312901.

It is a self number, because there is not a number n which added to its sum of digits gives 109213170.

It is not an unprimeable number, because it can be changed into a prime (109213171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56134 + ... + 58046.

It is an arithmetic number, because the mean of its divisors is an integer number (4495986).

Almost surely, 2^109213170 is an apocalyptic number.

109213170 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 109213170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143871552).

109213170 is an abundant number, since it is smaller than the sum of its proper divisors (178529934).

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

109213170 is a wasteful number, since it uses less digits than its factorization.

109213170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 109213170 is about 10450.5105138457. The cubic root of 109213170 is about 477.9968166779.

The spelling of 109213170 in words is "one hundred nine million, two hundred thirteen thousand, one hundred seventy".