109073861 has 8 divisors (see below), whose sum is σ = 118785240. Its totient is φ = 99551232.

The previous prime is 109073849. The next prime is 109073873. The reversal of 109073861 is 168370901.

It is an interprime number because it is at equal distance from previous prime (109073849) and next prime (109073873).

It can be written as a sum of positive squares in 4 ways, for example, as 2592100 + 106481761 = 1610^2 + 10319^2 .

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 109073861 - 2¹⁰ = 109072837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109073801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45980 + ... + 48293.

It is an arithmetic number, because the mean of its divisors is an integer number (14848155).

Almost surely, 2^109073861 is an apocalyptic number.

It is an amenable number.

109073861 is a deficient number, since it is larger than the sum of its proper divisors (9711379).

109073861 is an equidigital number, since it uses as much as digits as its factorization.

109073861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94375.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 109073861 is about 10443.8432102364. The cubic root of 109073861 is about 477.7934907979.

The spelling of 109073861 in words is "one hundred nine million, seventy-three thousand, eight hundred sixty-one".