118182730 has 8 divisors (see below), whose sum is σ = 212728932. Its totient is φ = 47273088.

The previous prime is 118182719. The next prime is 118182731. The reversal of 118182730 is 37281811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96177249 + 22005481 = 9807^2 + 4691^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 118182692 and 118182701.

It is not an unprimeable number, because it can be changed into a prime (118182731) 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 3 ways as a sum of consecutive naturals, for example, 5909127 + ... + 5909146.

Almost surely, 2^118182730 is an apocalyptic number.

118182730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118182730 is a deficient number, since it is larger than the sum of its proper divisors (94546202).

118182730 is a wasteful number, since it uses less digits than its factorization.

118182730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818280.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 118182730 is about 10871.1880675481. The cubic root of 118182730 is about 490.7398652176.

The spelling of 118182730 in words is "one hundred eighteen million, one hundred eighty-two thousand, seven hundred thirty".