109559873 has 4 divisors (see below), whose sum is σ = 111416880. Its totient is φ = 107702868.

The previous prime is 109559869. The next prime is 109559881. The reversal of 109559873 is 378955901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109559873 - 2² = 109559869 is a prime.

It is a super-2 number, since 2×109559873² = 24006731543552258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109559893) 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, 928415 + ... + 928532.

It is an arithmetic number, because the mean of its divisors is an integer number (27854220).

Almost surely, 2^109559873 is an apocalyptic number.

It is an amenable number.

109559873 is a deficient number, since it is larger than the sum of its proper divisors (1857007).

109559873 is an equidigital number, since it uses as much as digits as its factorization.

109559873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857006.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 109559873 is about 10467.0852198690. The cubic root of 109559873 is about 478.5020911289.

The spelling of 109559873 in words is "one hundred nine million, five hundred fifty-nine thousand, eight hundred seventy-three".