117106237 has 2 divisors, whose sum is σ = 117106238. Its totient is φ = 117106236.

The previous prime is 117106219. The next prime is 117106247. The reversal of 117106237 is 732601711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113934276 + 3171961 = 10674^2 + 1781^2 .

It is an emirp because it is prime and its reverse (732601711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117106237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117106207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58553118 + 58553119.

It is an arithmetic number, because the mean of its divisors is an integer number (58553119).

Almost surely, 2^117106237 is an apocalyptic number.

It is an amenable number.

117106237 is a deficient number, since it is larger than the sum of its proper divisors (1).

117106237 is an equidigital number, since it uses as much as digits as its factorization.

117106237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 117106237 is about 10821.5635191963. The cubic root of 117106237 is about 489.2453147182.

Adding to 117106237 its reverse (732601711), we get a palindrome (849707948).

The spelling of 117106237 in words is "one hundred seventeen million, one hundred six thousand, two hundred thirty-seven".