118211827 has 2 divisors, whose sum is σ = 118211828. Its totient is φ = 118211826.

The previous prime is 118211813. The next prime is 118211843. The reversal of 118211827 is 728112811.

It is a weak prime.

It is an emirp because it is prime and its reverse (728112811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118211827 is a prime.

It is not a weakly prime, because it can be changed into another prime (118211857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59105913 + 59105914.

It is an arithmetic number, because the mean of its divisors is an integer number (59105914).

Almost surely, 2^118211827 is an apocalyptic number.

118211827 is a deficient number, since it is larger than the sum of its proper divisors (1).

118211827 is an equidigital number, since it uses as much as digits as its factorization.

118211827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 31.

The square root of 118211827 is about 10872.5262473815. The cubic root of 118211827 is about 490.7801358678.

The spelling of 118211827 in words is "one hundred eighteen million, two hundred eleven thousand, eight hundred twenty-seven".