117151 has 4 divisors (see below), whose sum is σ = 117952. Its totient is φ = 116352.

The previous prime is 117133. The next prime is 117163. The reversal of 117151 is 151711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 151711 = 7 ⋅21673.

It is a cyclic number.

It is not a de Polignac number, because 117151 - 2⁵ = 117119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (29488).

2¹¹⁷¹⁵¹ is an apocalyptic number.

117151 is a deficient number, since it is larger than the sum of its proper divisors (801).

117151 is an equidigital number, since it uses as much as digits as its factorization.

117151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its digits is 35, while the sum is 16.

The square root of 117151 is about 342.2732826266. The cubic root of 117151 is about 48.9307643588.

Adding to 117151 its reverse (151711), we get a palindrome (268862).

The spelling of 117151 in words is "one hundred seventeen thousand, one hundred fifty-one".