117251 has 2 divisors, whose sum is σ = 117252. Its totient is φ = 117250.

The previous prime is 117241. The next prime is 117259. The reversal of 117251 is 152711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58625 + 58626.

It is an arithmetic number, because the mean of its divisors is an integer number (58626).

2¹¹⁷²⁵¹ is an apocalyptic number.

117251 is a deficient number, since it is larger than the sum of its proper divisors (1).

117251 is an equidigital number, since it uses as much as digits as its factorization.

117251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70, while the sum is 17.

The square root of 117251 is about 342.4193335663. The cubic root of 117251 is about 48.9446828198.

Adding to 117251 its reverse (152711), we get a palindrome (269962).

The spelling of 117251 in words is "one hundred seventeen thousand, two hundred fifty-one".