118837843 has 2 divisors, whose sum is σ = 118837844. Its totient is φ = 118837842.

The previous prime is 118837801. The next prime is 118837847. The reversal of 118837843 is 348738811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118837843 - 2¹³ = 118829651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118837843.

It is not a weakly prime, because it can be changed into another prime (118837847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59418921 + 59418922.

It is an arithmetic number, because the mean of its divisors is an integer number (59418922).

Almost surely, 2^118837843 is an apocalyptic number.

118837843 is a deficient number, since it is larger than the sum of its proper divisors (1).

118837843 is an equidigital number, since it uses as much as digits as its factorization.

118837843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 118837843 is about 10901.2771270159. The cubic root of 118837843 is about 491.6449547564.

The spelling of 118837843 in words is "one hundred eighteen million, eight hundred thirty-seven thousand, eight hundred forty-three".