118919042 has 18 divisors (see below), whose sum is σ = 196349097. Its totient is φ = 53977000.

The previous prime is 118919033. The next prime is 118919077. The reversal of 118919042 is 240919811.

It can be written as a sum of positive squares in 2 ways, for example, as 100420441 + 18498601 = 10021^2 + 4301^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7711.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118918993 and 118919011.

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 8 ways as a sum of consecutive naturals, for example, 169292 + ... + 169992.

Almost surely, 2^118919042 is an apocalyptic number.

118919042 is a deficient number, since it is larger than the sum of its proper divisors (77430055).

118919042 is an frugal number, since it uses more digits than its factorization.

118919042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 118919042 is about 10905.0007794589. Note that the first 3 decimals coincide. The cubic root of 118919042 is about 491.7569055984.

The spelling of 118919042 in words is "one hundred eighteen million, nine hundred nineteen thousand, forty-two".