118543073 has 4 divisors (see below), whose sum is σ = 129319728. Its totient is φ = 107766420.

The previous prime is 118543063. The next prime is 118543093. The reversal of 118543073 is 370345811.

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 118543073 - 2¹⁴ = 118526689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118543063) 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, 5388311 + ... + 5388332.

It is an arithmetic number, because the mean of its divisors is an integer number (32329932).

Almost surely, 2^118543073 is an apocalyptic number.

It is an amenable number.

118543073 is a deficient number, since it is larger than the sum of its proper divisors (10776655).

118543073 is a wasteful number, since it uses less digits than its factorization.

118543073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776654.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 118543073 is about 10887.7487572041. The cubic root of 118543073 is about 491.2381197825.

Adding to 118543073 its reverse (370345811), we get a palindrome (488888884).

The spelling of 118543073 in words is "one hundred eighteen million, five hundred forty-three thousand, seventy-three".