118728029 has 6 divisors (see below), whose sum is σ = 138112254. Its totient is φ = 101766840.

The previous prime is 118728019. The next prime is 118728107. The reversal of 118728029 is 920827811.

It can be written as a sum of positive squares in only one way, i.e., 91968100 + 26759929 = 9590^2 + 5173^2 .

It is not a de Polignac number, because 118728029 - 2⁴ = 118728013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118727983 and 118728001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118728019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1211462 + ... + 1211559.

It is an arithmetic number, because the mean of its divisors is an integer number (23018709).

Almost surely, 2^118728029 is an apocalyptic number.

It is an amenable number.

118728029 is a deficient number, since it is larger than the sum of its proper divisors (19384225).

118728029 is an equidigital number, since it uses as much as digits as its factorization.

118728029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423035 (or 2423028 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 118728029 is about 10896.2392136003. The cubic root of 118728029 is about 491.4934706382.

The spelling of 118728029 in words is "one hundred eighteen million, seven hundred twenty-eight thousand, twenty-nine".