118242230 has 16 divisors (see below), whose sum is σ = 213041664. Its totient is φ = 47251200.

The previous prime is 118242221. The next prime is 118242239. The reversal of 118242230 is 32242811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118242221) and next prime (118242239).

It is a junction number, because it is equal to n+sod(n) for n = 118242196 and 118242205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118242239) 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, 6374 + ... + 16646.

It is an arithmetic number, because the mean of its divisors is an integer number (13315104).

Almost surely, 2^118242230 is an apocalyptic number.

118242230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118242230 is a deficient number, since it is larger than the sum of its proper divisors (94799434).

118242230 is a wasteful number, since it uses less digits than its factorization.

118242230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 118242230 is about 10873.9243146161. The cubic root of 118242230 is about 490.8222069810.

The spelling of 118242230 in words is "one hundred eighteen million, two hundred forty-two thousand, two hundred thirty".