118242433 has 4 divisors (see below), whose sum is σ = 118692288. Its totient is φ = 117792580.

The previous prime is 118242419. The next prime is 118242457. The reversal of 118242433 is 334242811.

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, and also an emirpimes, since its reverse is a distinct semiprime: 334242811 = 7 ⋅47748973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118242433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118242403) 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 3 ways as a sum of consecutive naturals, for example, 224533 + ... + 225058.

It is an arithmetic number, because the mean of its divisors is an integer number (29673072).

Almost surely, 2^118242433 is an apocalyptic number.

It is an amenable number.

118242433 is a deficient number, since it is larger than the sum of its proper divisors (449855).

118242433 is an equidigital number, since it uses as much as digits as its factorization.

118242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449854.

The product of its digits is 4608, while the sum is 28.

The square root of 118242433 is about 10873.9336488687. The cubic root of 118242433 is about 490.8224878644.

The spelling of 118242433 in words is "one hundred eighteen million, two hundred forty-two thousand, four hundred thirty-three".