118431041 has 4 divisors (see below), whose sum is σ = 122514900. Its totient is φ = 114347184.

The previous prime is 118431037. The next prime is 118431059. The reversal of 118431041 is 140134811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140134811 = 2437 ⋅57503.

It can be written as a sum of positive squares in 2 ways, for example, as 65141041 + 53290000 = 8071^2 + 7300^2 .

It is a cyclic number.

It is not a de Polignac number, because 118431041 - 2² = 118431037 is a prime.

It is a super-2 number, since 2×118431041² = 28051822944687362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118430998 and 118431016.

It is not an unprimeable number, because it can be changed into a prime (118431031) 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 3 ways as a sum of consecutive naturals, for example, 2041886 + ... + 2041943.

It is an arithmetic number, because the mean of its divisors is an integer number (30628725).

Almost surely, 2^118431041 is an apocalyptic number.

It is an amenable number.

118431041 is a deficient number, since it is larger than the sum of its proper divisors (4083859).

118431041 is an equidigital number, since it uses as much as digits as its factorization.

118431041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083858.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 118431041 is about 10882.6026758308. The cubic root of 118431041 is about 491.0833188483.

Adding to 118431041 its reverse (140134811), we get a palindrome (258565852).

The spelling of 118431041 in words is "one hundred eighteen million, four hundred thirty-one thousand, forty-one".