118949 has 4 divisors (see below), whose sum is σ = 125964. Its totient is φ = 111936.

The previous prime is 118931. The next prime is 118967. The reversal of 118949 is 949811.

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

It is an interprime number because it is at equal distance from previous prime (118931) and next prime (118967).

It can be written as a sum of positive squares in 2 ways, for example, as 66049 + 52900 = 257^2 + 230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118949 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 (118249) 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, 3482 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (31491).

2¹¹⁸⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

118949 is a deficient number, since it is larger than the sum of its proper divisors (7015).

118949 is an equidigital number, since it uses as much as digits as its factorization.

118949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014.

The product of its digits is 2592, while the sum is 32.

The square root of 118949 is about 344.8898374844. The cubic root of 118949 is about 49.1798196481.

The spelling of 118949 in words is "one hundred eighteen thousand, nine hundred forty-nine".