118047239 has 2 divisors, whose sum is σ = 118047240. Its totient is φ = 118047238.

The previous prime is 118047229. The next prime is 118047253. The reversal of 118047239 is 932740811.

It is a weak prime.

It is an emirp because it is prime and its reverse (932740811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118047239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118047199 and 118047208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118047229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59023619 + 59023620.

It is an arithmetic number, because the mean of its divisors is an integer number (59023620).

Almost surely, 2^118047239 is an apocalyptic number.

118047239 is a deficient number, since it is larger than the sum of its proper divisors (1).

118047239 is an equidigital number, since it uses as much as digits as its factorization.

118047239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 118047239 is about 10864.9546248477. The cubic root of 118047239 is about 490.5522566986.

The spelling of 118047239 in words is "one hundred eighteen million, forty-seven thousand, two hundred thirty-nine".