118657441 has 4 divisors (see below), whose sum is σ = 135608512. Its totient is φ = 101706372.

The previous prime is 118657439. The next prime is 118657453. The reversal of 118657441 is 144756811.

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 118657441 - 2¹ = 118657439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118657441.

It is not an unprimeable number, because it can be changed into a prime (118657411) 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, 8475525 + ... + 8475538.

It is an arithmetic number, because the mean of its divisors is an integer number (33902128).

Almost surely, 2^118657441 is an apocalyptic number.

It is an amenable number.

118657441 is a deficient number, since it is larger than the sum of its proper divisors (16951071).

118657441 is an equidigital number, since it uses as much as digits as its factorization.

118657441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16951070.

The product of its digits is 26880, while the sum is 37.

The square root of 118657441 is about 10892.9996327917. Note that the first 3 decimals coincide. The cubic root of 118657441 is about 491.3960479286.

It can be divided in two parts, 11865 and 7441, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 118657441 in words is "one hundred eighteen million, six hundred fifty-seven thousand, four hundred forty-one".