118863871 has 8 divisors (see below), whose sum is σ = 135926784. Its totient is φ = 101821560.

The previous prime is 118863853. The next prime is 118863887. The reversal of 118863871 is 178368811.

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 118863871 - 2⁷ = 118863743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118863821) 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, 10326 + ... + 18556.

It is an arithmetic number, because the mean of its divisors is an integer number (16990848).

Almost surely, 2^118863871 is an apocalyptic number.

118863871 is a deficient number, since it is larger than the sum of its proper divisors (17062913).

118863871 is an equidigital number, since it uses as much as digits as its factorization.

118863871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301.

The product of its digits is 64512, while the sum is 43.

The square root of 118863871 is about 10902.4708667348. The cubic root of 118863871 is about 491.6808456826.

The spelling of 118863871 in words is "one hundred eighteen million, eight hundred sixty-three thousand, eight hundred seventy-one".