118116001 has 2 divisors, whose sum is σ = 118116002. Its totient is φ = 118116000.

The previous prime is 118115999. The next prime is 118116013. The reversal of 118116001 is 100611811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102718225 + 15397776 = 10135^2 + 3924^2 .

It is an emirp because it is prime and its reverse (100611811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118116001 - 2¹ = 118115999 is a prime.

Together with 118115999, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118116001.

It is not a weakly prime, because it can be changed into another prime (118116041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59058000 + 59058001.

It is an arithmetic number, because the mean of its divisors is an integer number (59058001).

Almost surely, 2^118116001 is an apocalyptic number.

It is an amenable number.

118116001 is a deficient number, since it is larger than the sum of its proper divisors (1).

118116001 is an equidigital number, since it uses as much as digits as its factorization.

118116001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

The square root of 118116001 is about 10868.1185584258. The cubic root of 118116001 is about 490.6474863915.

Adding to 118116001 its reverse (100611811), we get a palindrome (218727812).

The spelling of 118116001 in words is "one hundred eighteen million, one hundred sixteen thousand, one".