118806307 has 4 divisors (see below), whose sum is σ = 118958056. Its totient is φ = 118654560.

The previous prime is 118806269. The next prime is 118806323. The reversal of 118806307 is 703608811.

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

It is a cyclic number.

It is not a de Polignac number, because 118806307 - 2⁷ = 118806179 is a prime.

It is a super-2 number, since 2×118806307² = 28229877165956498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118806007) 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, 74694 + ... + 76267.

It is an arithmetic number, because the mean of its divisors is an integer number (29739514).

Almost surely, 2^118806307 is an apocalyptic number.

118806307 is a deficient number, since it is larger than the sum of its proper divisors (151749).

118806307 is an equidigital number, since it uses as much as digits as its factorization.

118806307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151748.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 118806307 is about 10899.8305950139. The cubic root of 118806307 is about 491.6014616328.

The spelling of 118806307 in words is "one hundred eighteen million, eight hundred six thousand, three hundred seven".