118209000 has 256 divisors, whose sum is σ = 454970880. Its totient is φ = 24883200.

The previous prime is 118208989. The next prime is 118209011. The reversal of 118209000 is 902811.

It is an interprime number because it is at equal distance from previous prime (118208989) and next prime (118209011).

It is a super-3 number, since 3×118209000³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272784 + ... + 273216.

It is an arithmetic number, because the mean of its divisors is an integer number (1777230).

Almost surely, 2^118209000 is an apocalyptic number.

118209000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118209000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227485440).

118209000 is an abundant number, since it is smaller than the sum of its proper divisors (336761880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118209000 is a wasteful number, since it uses less digits than its factorization.

118209000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 118209000 is about 10872.3962400200. The cubic root of 118209000 is about 490.7762235506.

The spelling of 118209000 in words is "one hundred eighteen million, two hundred nine thousand".