118182881 has 8 divisors (see below), whose sum is σ = 122444544. Its totient is φ = 113949360.

The previous prime is 118182851. The next prime is 118182887. The reversal of 118182881 is 188281811.

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 118182881 - 2²² = 113988577 is a prime.

It is a super-2 number, since 2×118182881² = 27934386722920322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118182887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706 + ... + 15468.

It is an arithmetic number, because the mean of its divisors is an integer number (15305568).

Almost surely, 2^118182881 is an apocalyptic number.

It is an amenable number.

118182881 is a deficient number, since it is larger than the sum of its proper divisors (4261663).

118182881 is a wasteful number, since it uses less digits than its factorization.

118182881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14071.

The product of its digits is 8192, while the sum is 38.

The square root of 118182881 is about 10871.1950125090. The cubic root of 118182881 is about 490.7400742207.

The spelling of 118182881 in words is "one hundred eighteen million, one hundred eighty-two thousand, eight hundred eighty-one".