118543030 has 16 divisors (see below), whose sum is σ = 213501744. Its totient is φ = 47389600.

The previous prime is 118543027. The next prime is 118543063. The reversal of 118543030 is 30345811.

It is a junction number, because it is equal to n+sod(n) for n = 118542986 and 118543004.

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 7 ways as a sum of consecutive naturals, for example, 30180 + ... + 33880.

It is an arithmetic number, because the mean of its divisors is an integer number (13343859).

Almost surely, 2^118543030 is an apocalyptic number.

118543030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118543030 is a deficient number, since it is larger than the sum of its proper divisors (94958714).

118543030 is a wasteful number, since it uses less digits than its factorization.

118543030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 118543030 is about 10887.7467825074. The cubic root of 118543030 is about 491.2380603857.

Adding to 118543030 its reverse (30345811), we get a palindrome (148888841).

It can be divided in two parts, 11854 and 3030, that added together give a square (14884 = 122²).

The spelling of 118543030 in words is "one hundred eighteen million, five hundred forty-three thousand, thirty".