109452109 has 8 divisors (see below), whose sum is σ = 119532672. Its totient is φ = 99608880.

The previous prime is 109452097. The next prime is 109452113. The reversal of 109452109 is 901254901.

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

It is a cyclic number.

It is not a de Polignac number, because 109452109 - 2¹⁹ = 108927821 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109452149) 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, 58369 + ... + 60214.

It is an arithmetic number, because the mean of its divisors is an integer number (14941584).

Almost surely, 2^109452109 is an apocalyptic number.

It is an amenable number.

109452109 is a deficient number, since it is larger than the sum of its proper divisors (10080563).

109452109 is a wasteful number, since it uses less digits than its factorization.

109452109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118667.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 109452109 is about 10461.9361974732. The cubic root of 109452109 is about 478.3451534537.

It can be divided in two parts, 109452 and 109, that added together give a square (109561 = 331²).

The spelling of 109452109 in words is "one hundred nine million, four hundred fifty-two thousand, one hundred nine".