118861005 has 8 divisors (see below), whose sum is σ = 190177632. Its totient is φ = 63392528.

The previous prime is 118861003. The next prime is 118861021. The reversal of 118861005 is 500168811.

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 118861005 - 2¹ = 118861003 is a prime.

It is a super-2 number, since 2×118861005² = 28255877019220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118861003) 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, 3962019 + ... + 3962048.

It is an arithmetic number, because the mean of its divisors is an integer number (23772204).

Almost surely, 2^118861005 is an apocalyptic number.

118861005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118861005 is a deficient number, since it is larger than the sum of its proper divisors (71316627).

118861005 is an equidigital number, since it uses as much as digits as its factorization.

118861005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924075.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 118861005 is about 10902.3394278476. The cubic root of 118861005 is about 491.6768939109.

The spelling of 118861005 in words is "one hundred eighteen million, eight hundred sixty-one thousand, five".