118449530 has 16 divisors (see below), whose sum is σ = 213373440. Its totient is φ = 47343312.

The previous prime is 118449509. The next prime is 118449559. The reversal of 118449530 is 35944811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11891 + ... + 19449.

It is an arithmetic number, because the mean of its divisors is an integer number (13335840).

Almost surely, 2^118449530 is an apocalyptic number.

118449530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118449530 is a deficient number, since it is larger than the sum of its proper divisors (94923910).

118449530 is a wasteful number, since it uses less digits than its factorization.

118449530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 118449530 is about 10883.4521177795. The cubic root of 118449530 is about 491.1088728668.

The spelling of 118449530 in words is "one hundred eighteen million, four hundred forty-nine thousand, five hundred thirty".