118829447 has 4 divisors (see below), whose sum is σ = 129632136. Its totient is φ = 108026760.

The previous prime is 118829441. The next prime is 118829453. The reversal of 118829447 is 744928811.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (118829441) and next prime (118829453).

It is a cyclic number.

It is not a de Polignac number, because 118829447 - 2¹⁴ = 118813063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118829398 and 118829407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118829441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5401328 + ... + 5401349.

It is an arithmetic number, because the mean of its divisors is an integer number (32408034).

Almost surely, 2^118829447 is an apocalyptic number.

118829447 is a deficient number, since it is larger than the sum of its proper divisors (10802689).

118829447 is a wasteful number, since it uses less digits than its factorization.

118829447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802688.

The product of its digits is 129024, while the sum is 44.

The square root of 118829447 is about 10900.8920277196. The cubic root of 118829447 is about 491.6333760983.

The spelling of 118829447 in words is "one hundred eighteen million, eight hundred twenty-nine thousand, four hundred forty-seven".