118441689 has 12 divisors (see below), whose sum is σ = 159432336. Its totient is φ = 78213168.

The previous prime is 118441681. The next prime is 118441691. The reversal of 118441689 is 986144811.

It is a happy number.

It is not a de Polignac number, because 118441689 - 2³ = 118441681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118441689.

It is not an unprimeable number, because it can be changed into a prime (118441681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33982 + ... + 37304.

It is an arithmetic number, because the mean of its divisors is an integer number (13286028).

Almost surely, 2^118441689 is an apocalyptic number.

It is an amenable number.

118441689 is a deficient number, since it is larger than the sum of its proper divisors (40990647).

118441689 is an equidigital number, since it uses as much as digits as its factorization.

118441689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544 (or 3435 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 118441689 is about 10883.0918860405. The cubic root of 118441689 is about 491.0980359879.

The spelling of 118441689 in words is "one hundred eighteen million, four hundred forty-one thousand, six hundred eighty-nine".