118728734 has 4 divisors (see below), whose sum is σ = 178093104. Its totient is φ = 59364366.

The previous prime is 118728683. The next prime is 118728749. The reversal of 118728734 is 437827811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437827811 = 19 ⋅23043569.

It is a junction number, because it is equal to n+sod(n) for n = 118728691 and 118728700.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 29682182 + ... + 29682185.

It is an arithmetic number, because the mean of its divisors is an integer number (44523276).

Almost surely, 2^118728734 is an apocalyptic number.

118728734 is a deficient number, since it is larger than the sum of its proper divisors (59364370).

118728734 is an equidigital number, since it uses as much as digits as its factorization.

118728734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59364369.

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

The square root of 118728734 is about 10896.2715641636. The cubic root of 118728734 is about 491.4944434560.

The spelling of 118728734 in words is "one hundred eighteen million, seven hundred twenty-eight thousand, seven hundred thirty-four".