118428841 has 2 divisors, whose sum is σ = 118428842. Its totient is φ = 118428840.

The previous prime is 118428811. The next prime is 118428883. The reversal of 118428841 is 148824811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118265625 + 163216 = 10875^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 118428841 - 2⁵ = 118428809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118428841.

It is not a weakly prime, because it can be changed into another prime (118428811) 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, 59214420 + 59214421.

It is an arithmetic number, because the mean of its divisors is an integer number (59214421).

Almost surely, 2^118428841 is an apocalyptic number.

It is an amenable number.

118428841 is a deficient number, since it is larger than the sum of its proper divisors (1).

118428841 is an equidigital number, since it uses as much as digits as its factorization.

118428841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16384, while the sum is 37.

The square root of 118428841 is about 10882.5015965999. The cubic root of 118428841 is about 491.0802780070.

The spelling of 118428841 in words is "one hundred eighteen million, four hundred twenty-eight thousand, eight hundred forty-one".