109612 has 12 divisors (see below), whose sum is σ = 195160. Its totient is φ = 53856.

The previous prime is 109609. The next prime is 109619. The reversal of 109612 is 216901.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 109612.

It is not an unprimeable number, because it can be changed into a prime (109619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64 + ... + 472.

2¹⁰⁹⁶¹² is an apocalyptic number.

It is an amenable number.

109612 is a deficient number, since it is larger than the sum of its proper divisors (85548).

109612 is a wasteful number, since it uses less digits than its factorization.

109612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 109612 is about 331.0770303117. The cubic root of 109612 is about 47.8577967217.

The spelling of 109612 in words is "one hundred nine thousand, six hundred twelve".