118345937 has 2 divisors, whose sum is σ = 118345938. Its totient is φ = 118345936.

The previous prime is 118345901. The next prime is 118345939. The reversal of 118345937 is 739543811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 51825601 = 8156^2 + 7199^2 .

It is a cyclic number.

It is not a de Polignac number, because 118345937 - 2¹⁴ = 118329553 is a prime.

Together with 118345939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118345894 and 118345903.

It is not a weakly prime, because it can be changed into another prime (118345939) 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, 59172968 + 59172969.

It is an arithmetic number, because the mean of its divisors is an integer number (59172969).

Almost surely, 2^118345937 is an apocalyptic number.

It is an amenable number.

118345937 is a deficient number, since it is larger than the sum of its proper divisors (1).

118345937 is an equidigital number, since it uses as much as digits as its factorization.

118345937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 118345937 is about 10878.6918790818. The cubic root of 118345937 is about 490.9656605914.

It can be divided in two parts, 11834 and 5937, that added together give a palindrome (17771).

The spelling of 118345937 in words is "one hundred eighteen million, three hundred forty-five thousand, nine hundred thirty-seven".