118923009 has 8 divisors (see below), whose sum is σ = 159628800. Its totient is φ = 78749616.

The previous prime is 118922989. The next prime is 118923011. The reversal of 118923009 is 900329811.

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

It is not a de Polignac number, because 118923009 - 2¹² = 118918913 is a prime.

It is a super-2 number, since 2×118923009² = 28285364139228162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118923029) 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, 132577 + ... + 133470.

It is an arithmetic number, because the mean of its divisors is an integer number (19953600).

Almost surely, 2^118923009 is an apocalyptic number.

It is an amenable number.

118923009 is a deficient number, since it is larger than the sum of its proper divisors (40705791).

118923009 is a wasteful number, since it uses less digits than its factorization.

118923009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266199.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 118923009 is about 10905.1826669708. The cubic root of 118923009 is about 491.7623736825.

The spelling of 118923009 in words is "one hundred eighteen million, nine hundred twenty-three thousand, nine".