118284019 has 8 divisors (see below), whose sum is σ = 136169568. Its totient is φ = 100645440.

The previous prime is 118283983. The next prime is 118284037. The reversal of 118284019 is 910482811.

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

It is not a de Polignac number, because 118284019 - 2¹⁵ = 118251251 is a prime.

It is a super-2 number, since 2×118284019² = 27982218301584722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118284059) 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, 60712 + ... + 62629.

It is an arithmetic number, because the mean of its divisors is an integer number (17021196).

Almost surely, 2^118284019 is an apocalyptic number.

118284019 is a deficient number, since it is larger than the sum of its proper divisors (17885549).

118284019 is a wasteful number, since it uses less digits than its factorization.

118284019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123485.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 118284019 is about 10875.8456682687. The cubic root of 118284019 is about 490.8800220650.

The spelling of 118284019 in words is "one hundred eighteen million, two hundred eighty-four thousand, nineteen".