109965729 has 8 divisors (see below), whose sum is σ = 146755360. Its totient is φ = 73243296.

The previous prime is 109965727. The next prime is 109965743. The reversal of 109965729 is 927569901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109965729 - 2¹ = 109965727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109965721) 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, 12847 + ... + 19620.

It is an arithmetic number, because the mean of its divisors is an integer number (18344420).

Almost surely, 2^109965729 is an apocalyptic number.

It is an amenable number.

109965729 is a deficient number, since it is larger than the sum of its proper divisors (36789631).

109965729 is a wasteful number, since it uses less digits than its factorization.

109965729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33599.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 109965729 is about 10486.4545486070. The cubic root of 109965729 is about 479.0922209166.

The spelling of 109965729 in words is "one hundred nine million, nine hundred sixty-five thousand, seven hundred twenty-nine".