118007247 has 8 divisors (see below), whose sum is σ = 158475520. Its totient is φ = 78105240.

The previous prime is 118007243. The next prime is 118007261. The reversal of 118007247 is 742700811.

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

It is not a de Polignac number, because 118007247 - 2² = 118007243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118007243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141079 + ... + 141912.

It is an arithmetic number, because the mean of its divisors is an integer number (19809440).

Almost surely, 2^118007247 is an apocalyptic number.

118007247 is a deficient number, since it is larger than the sum of its proper divisors (40468273).

118007247 is a wasteful number, since it uses less digits than its factorization.

118007247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283133.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 118007247 is about 10863.1140562916. The cubic root of 118007247 is about 490.4968540710.

The spelling of 118007247 in words is "one hundred eighteen million, seven thousand, two hundred forty-seven".