109572 has 24 divisors (see below), whose sum is σ = 267456. Its totient is φ = 34848.

The previous prime is 109567. The next prime is 109579. The reversal of 109572 is 275901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109579) 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, 78 + ... + 474.

It is an arithmetic number, because the mean of its divisors is an integer number (11144).

2¹⁰⁹⁵⁷² is an apocalyptic number.

109572 is a gapful number since it is divisible by the number (12) 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 109572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133728).

109572 is an abundant number, since it is smaller than the sum of its proper divisors (157884).

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

109572 is a wasteful number, since it uses less digits than its factorization.

109572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 109572 is about 331.0166158971. The cubic root of 109572 is about 47.8519745344.

The spelling of 109572 in words is "one hundred nine thousand, five hundred seventy-two".