118430507 has 4 divisors (see below), whose sum is σ = 127540560. Its totient is φ = 109320456.

The previous prime is 118430491. The next prime is 118430531. The reversal of 118430507 is 705034811.

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 118430507 - 2⁴ = 118430491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118430507.

It is not an unprimeable number, because it can be changed into a prime (118430537) 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, 4555007 + ... + 4555032.

It is an arithmetic number, because the mean of its divisors is an integer number (31885140).

Almost surely, 2^118430507 is an apocalyptic number.

118430507 is a deficient number, since it is larger than the sum of its proper divisors (9110053).

118430507 is an equidigital number, since it uses as much as digits as its factorization.

118430507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110052.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 118430507 is about 10882.5781412311. The cubic root of 118430507 is about 491.0825807567.

The spelling of 118430507 in words is "one hundred eighteen million, four hundred thirty thousand, five hundred seven".