116542171 has 2 divisors, whose sum is σ = 116542172. Its totient is φ = 116542170.

The previous prime is 116542163. The next prime is 116542249. The reversal of 116542171 is 171245611.

It is a weak prime.

It is an emirp because it is prime and its reverse (171245611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116542171 - 2³ = 116542163 is a prime.

It is not a weakly prime, because it can be changed into another prime (116542141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58271085 + 58271086.

It is an arithmetic number, because the mean of its divisors is an integer number (58271086).

Almost surely, 2^116542171 is an apocalyptic number.

116542171 is a deficient number, since it is larger than the sum of its proper divisors (1).

116542171 is an equidigital number, since it uses as much as digits as its factorization.

116542171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 28.

The square root of 116542171 is about 10795.4699295584. The cubic root of 116542171 is about 488.4585336226.

Adding to 116542171 its reverse (171245611), we get a palindrome (287787782).

The spelling of 116542171 in words is "one hundred sixteen million, five hundred forty-two thousand, one hundred seventy-one".