109911973 has 4 divisors (see below), whose sum is σ = 109938700. Its totient is φ = 109885248.

The previous prime is 109911947. The next prime is 109912007. The reversal of 109911973 is 379119901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80676324 + 29235649 = 8982^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 109911973 - 2¹⁷ = 109780901 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 (109911773) 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, 5748 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (27484675).

Almost surely, 2^109911973 is an apocalyptic number.

It is an amenable number.

109911973 is a deficient number, since it is larger than the sum of its proper divisors (26727).

109911973 is an equidigital number, since it uses as much as digits as its factorization.

109911973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26726.

The product of its (nonzero) digits is 15309, while the sum is 40.

The square root of 109911973 is about 10483.8911192362. The cubic root of 109911973 is about 479.0141411992.

The spelling of 109911973 in words is "one hundred nine million, nine hundred eleven thousand, nine hundred seventy-three".