118391030 has 8 divisors (see below), whose sum is σ = 213103872. Its totient is φ = 47356408.

The previous prime is 118391027. The next prime is 118391081. The reversal of 118391030 is 30193811.

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

It is a congruent number.

It is an unprimeable number.

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, 5919542 + ... + 5919561.

It is an arithmetic number, because the mean of its divisors is an integer number (26637984).

Almost surely, 2^118391030 is an apocalyptic number.

118391030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118391030 is a deficient number, since it is larger than the sum of its proper divisors (94712842).

118391030 is a wasteful number, since it uses less digits than its factorization.

118391030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839110.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 118391030 is about 10880.7642194839. The cubic root of 118391030 is about 491.0280097344.

The spelling of 118391030 in words is "one hundred eighteen million, three hundred ninety-one thousand, thirty".