118728851 has 8 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 116164672.

The previous prime is 118728811. The next prime is 118728859. The reversal of 118728851 is 158827811.

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 118728851 - 2⁶ = 118728787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118728799 and 118728808.

It is not an unprimeable number, because it can be changed into a prime (118728859) 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 7 ways as a sum of consecutive naturals, for example, 17375 + ... + 23223.

It is an arithmetic number, because the mean of its divisors is an integer number (15163200).

Almost surely, 2^118728851 is an apocalyptic number.

118728851 is a deficient number, since it is larger than the sum of its proper divisors (2576749).

118728851 is an equidigital number, since it uses as much as digits as its factorization.

118728851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its digits is 35840, while the sum is 41.

The square root of 118728851 is about 10896.2769329712. The cubic root of 118728851 is about 491.4946049020.

The spelling of 118728851 in words is "one hundred eighteen million, seven hundred twenty-eight thousand, eight hundred fifty-one".