118637047 has 2 divisors, whose sum is σ = 118637048. Its totient is φ = 118637046.

The previous prime is 118637041. The next prime is 118637063. The reversal of 118637047 is 740736811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118637047 - 2⁷ = 118636919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118636997 and 118637015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118637041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59318523 + 59318524.

It is an arithmetic number, because the mean of its divisors is an integer number (59318524).

Almost surely, 2^118637047 is an apocalyptic number.

118637047 is a deficient number, since it is larger than the sum of its proper divisors (1).

118637047 is an equidigital number, since it uses as much as digits as its factorization.

118637047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 118637047 is about 10892.0634867779. The cubic root of 118637047 is about 491.3678937588.

The spelling of 118637047 in words is "one hundred eighteen million, six hundred thirty-seven thousand, forty-seven".