118204641 has 12 divisors (see below), whose sum is σ = 173539860. Its totient is φ = 77510880.

The previous prime is 118204633. The next prime is 118204649. The reversal of 118204641 is 146402811.

It is a happy number.

118204641 is a `hidden beast` number, since 1 + 18 + 2 + 0 + 4 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (118204633) and next prime (118204649).

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 103734225 = 3804^2 + 10185^2 .

It is not a de Polignac number, because 118204641 - 2³ = 118204633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118204649) 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 11 ways as a sum of consecutive naturals, for example, 107106 + ... + 108203.

It is an arithmetic number, because the mean of its divisors is an integer number (14461655).

Almost surely, 2^118204641 is an apocalyptic number.

It is an amenable number.

118204641 is a deficient number, since it is larger than the sum of its proper divisors (55335219).

118204641 is a wasteful number, since it uses less digits than its factorization.

118204641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215376 (or 215373 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 118204641 is about 10872.1957763830. The cubic root of 118204641 is about 490.7701909590.

It can be divided in two parts, 11820 and 4641, that added together give a palindrome (16461).

The spelling of 118204641 in words is "one hundred eighteen million, two hundred four thousand, six hundred forty-one".