118843547 has 2 divisors, whose sum is σ = 118843548. Its totient is φ = 118843546.

The previous prime is 118843531. The next prime is 118843579. The reversal of 118843547 is 745348811.

It is a weak prime.

It is an emirp because it is prime and its reverse (745348811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118843547 - 2⁴ = 118843531 is a prime.

It is not a weakly prime, because it can be changed into another prime (118842547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59421773 + 59421774.

It is an arithmetic number, because the mean of its divisors is an integer number (59421774).

Almost surely, 2^118843547 is an apocalyptic number.

118843547 is a deficient number, since it is larger than the sum of its proper divisors (1).

118843547 is an equidigital number, since it uses as much as digits as its factorization.

118843547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 118843547 is about 10901.5387445993. The cubic root of 118843547 is about 491.6528206513.

The spelling of 118843547 in words is "one hundred eighteen million, eight hundred forty-three thousand, five hundred forty-seven".