118644741 has 12 divisors (see below), whose sum is σ = 178827168. Its totient is φ = 75657384.

The previous prime is 118644737. The next prime is 118644767. The reversal of 118644741 is 147446811.

118644741 is a `hidden beast` number, since 1 + 1 + 8 + 644 + 7 + 4 + 1 = 666.

It is not a de Polignac number, because 118644741 - 2² = 118644737 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 118644696 and 118644705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118644731) 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, 286375 + ... + 286788.

It is an arithmetic number, because the mean of its divisors is an integer number (14902264).

Almost surely, 2^118644741 is an apocalyptic number.

It is an amenable number.

118644741 is a deficient number, since it is larger than the sum of its proper divisors (60182427).

118644741 is a wasteful number, since it uses less digits than its factorization.

118644741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573192 (or 573189 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 118644741 is about 10892.4166739985. The cubic root of 118644741 is about 491.3785158002.

The spelling of 118644741 in words is "one hundred eighteen million, six hundred forty-four thousand, seven hundred forty-one".