118438541 has 16 divisors (see below), whose sum is σ = 136116288. Its totient is φ = 102086400.

The previous prime is 118438519. The next prime is 118438553. The reversal of 118438541 is 145834811.

It is a de Polignac number, because none of the positive numbers 2^k-118438541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118438501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26906 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (8507268).

Almost surely, 2^118438541 is an apocalyptic number.

It is an amenable number.

118438541 is a deficient number, since it is larger than the sum of its proper divisors (17677747).

118438541 is a wasteful number, since it uses less digits than its factorization.

118438541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252.

The product of its digits is 15360, while the sum is 35.

The square root of 118438541 is about 10882.9472570623. The cubic root of 118438541 is about 491.0936850696.

The spelling of 118438541 in words is "one hundred eighteen million, four hundred thirty-eight thousand, five hundred forty-one".