118428659 has 4 divisors (see below), whose sum is σ = 120663216. Its totient is φ = 116194104.

The previous prime is 118428641. The next prime is 118428677. The reversal of 118428659 is 956824811.

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 (118428641) and next prime (118428677).

It is a cyclic number.

It is not a de Polignac number, because 118428659 - 2¹² = 118424563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118428259) 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, 1117199 + ... + 1117304.

It is an arithmetic number, because the mean of its divisors is an integer number (30165804).

Almost surely, 2^118428659 is an apocalyptic number.

118428659 is a deficient number, since it is larger than the sum of its proper divisors (2234557).

118428659 is an equidigital number, since it uses as much as digits as its factorization.

118428659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234556.

The product of its digits is 138240, while the sum is 44.

The square root of 118428659 is about 10882.4932345488. The cubic root of 118428659 is about 491.0800264449.

The spelling of 118428659 in words is "one hundred eighteen million, four hundred twenty-eight thousand, six hundred fifty-nine".