118705442 has 4 divisors (see below), whose sum is σ = 178058166. Its totient is φ = 59352720.

The previous prime is 118705429. The next prime is 118705459. The reversal of 118705442 is 244507811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244507811 = 139 ⋅1759049.

It can be written as a sum of positive squares in only one way, i.e., 110859841 + 7845601 = 10529^2 + 2801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118705399 and 118705408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29676359 + ... + 29676362.

Almost surely, 2^118705442 is an apocalyptic number.

118705442 is a deficient number, since it is larger than the sum of its proper divisors (59352724).

118705442 is an equidigital number, since it uses as much as digits as its factorization.

118705442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59352723.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 118705442 is about 10895.2027057784. The cubic root of 118705442 is about 491.4623011742.

The spelling of 118705442 in words is "one hundred eighteen million, seven hundred five thousand, four hundred forty-two".