118387742 has 8 divisors (see below), whose sum is σ = 193725432. Its totient is φ = 53812600.

The previous prime is 118387699. The next prime is 118387747. The reversal of 118387742 is 247783811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 118387742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118387747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690609 + ... + 2690652.

It is an arithmetic number, because the mean of its divisors is an integer number (24215679).

Almost surely, 2^118387742 is an apocalyptic number.

118387742 is a deficient number, since it is larger than the sum of its proper divisors (75337690).

118387742 is a wasteful number, since it uses less digits than its factorization.

118387742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381274.

The product of its digits is 75264, while the sum is 41.

The square root of 118387742 is about 10880.6131261065. The cubic root of 118387742 is about 491.0234640211.

The spelling of 118387742 in words is "one hundred eighteen million, three hundred eighty-seven thousand, seven hundred forty-two".