109434561 has 8 divisors (see below), whose sum is σ = 146963040. Its totient is φ = 72431232.

The previous prime is 109434553. The next prime is 109434569. The reversal of 109434561 is 165434901.

It is an interprime number because it is at equal distance from previous prime (109434553) and next prime (109434569).

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

It is not a de Polignac number, because 109434561 - 2³ = 109434553 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (109434569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130800 + ... + 131633.

It is an arithmetic number, because the mean of its divisors is an integer number (18370380).

Almost surely, 2^109434561 is an apocalyptic number.

It is an amenable number.

109434561 is a deficient number, since it is larger than the sum of its proper divisors (37528479).

109434561 is a wasteful number, since it uses less digits than its factorization.

109434561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262575.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 109434561 is about 10461.0975045642. The cubic root of 109434561 is about 478.3195883932.

The spelling of 109434561 in words is "one hundred nine million, four hundred thirty-four thousand, five hundred sixty-one".