118749 has 8 divisors (see below), whose sum is σ = 165312. Its totient is φ = 75680.

The previous prime is 118747. The next prime is 118751. The reversal of 118749 is 947811.

It is an interprime number because it is at equal distance from previous prime (118747) and next prime (118751).

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 118749 - 2¹ = 118747 is a prime.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (20664).

2¹¹⁸⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

118749 is a deficient number, since it is larger than the sum of its proper divisors (46563).

118749 is a wasteful number, since it uses less digits than its factorization.

118749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747.

The product of its digits is 2016, while the sum is 30.

The square root of 118749 is about 344.5997678467. The cubic root of 118749 is about 49.1522406526.

The spelling of 118749 in words is "one hundred eighteen thousand, seven hundred forty-nine".