118450681 has 8 divisors (see below), whose sum is σ = 124163424. Its totient is φ = 112872480.

The previous prime is 118450639. The next prime is 118450699. The reversal of 118450681 is 186054811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 118450681 - 2¹¹ = 118448633 is a prime.

It is a super-2 number, since 2×118450681² = 28061127658727522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118453681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31831 + ... + 35356.

It is an arithmetic number, because the mean of its divisors is an integer number (15520428).

Almost surely, 2^118450681 is an apocalyptic number.

It is an amenable number.

118450681 is a deficient number, since it is larger than the sum of its proper divisors (5712743).

118450681 is an equidigital number, since it uses as much as digits as its factorization.

118450681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67271.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 118450681 is about 10883.5049960939. The cubic root of 118450681 is about 491.1104635991.

The spelling of 118450681 in words is "one hundred eighteen million, four hundred fifty thousand, six hundred eighty-one".