118440321 has 8 divisors (see below), whose sum is σ = 163366080. Its totient is φ = 76237392.

The previous prime is 118440313. The next prime is 118440331. The reversal of 118440321 is 123044811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118440321 - 2³ = 118440313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118440291 and 118440300.

It is not an unprimeable number, because it can be changed into a prime (118440331) 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 7 ways as a sum of consecutive naturals, for example, 680605 + ... + 680778.

It is an arithmetic number, because the mean of its divisors is an integer number (20420760).

Almost surely, 2^118440321 is an apocalyptic number.

It is an amenable number.

118440321 is a deficient number, since it is larger than the sum of its proper divisors (44925759).

118440321 is a wasteful number, since it uses less digits than its factorization.

118440321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361415.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 118440321 is about 10883.0290360726. The cubic root of 118440321 is about 491.0961452552.

The spelling of 118440321 in words is "one hundred eighteen million, four hundred forty thousand, three hundred twenty-one".