118948428 has 18 divisors (see below), whose sum is σ = 300675284. Its totient is φ = 39649464.

The previous prime is 118948391. The next prime is 118948523. The reversal of 118948428 is 824849811.

118948428 is a `hidden beast` number, since 1 + 189 + 48 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1652026 + ... + 1652097.

Almost surely, 2^118948428 is an apocalyptic number.

118948428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

118948428 is an abundant number, since it is smaller than the sum of its proper divisors (181726856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118948428 is a wasteful number, since it uses less digits than its factorization.

118948428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304133 (or 3304128 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 118948428 is about 10906.3480597311. The cubic root of 118948428 is about 491.7974081623.

The spelling of 118948428 in words is "one hundred eighteen million, nine hundred forty-eight thousand, four hundred twenty-eight".