116542241 has 4 divisors (see below), whose sum is σ = 116568084. Its totient is φ = 116516400.

The previous prime is 116542171. The next prime is 116542249. The reversal of 116542241 is 142245611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142245611 = 157 ⋅906023.

It can be written as a sum of positive squares in 2 ways, for example, as 49056016 + 67486225 = 7004^2 + 8215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116542241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116542241.

It is not an unprimeable number, because it can be changed into a prime (116542249) 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 in 3 ways as a sum of consecutive naturals, for example, 4190 + ... + 15831.

It is an arithmetic number, because the mean of its divisors is an integer number (29142021).

Almost surely, 2^116542241 is an apocalyptic number.

It is an amenable number.

116542241 is a deficient number, since it is larger than the sum of its proper divisors (25843).

116542241 is an equidigital number, since it uses as much as digits as its factorization.

116542241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25842.

The product of its digits is 1920, while the sum is 26.

The square root of 116542241 is about 10795.4731716586. The cubic root of 116542241 is about 488.4586314187.

Adding to 116542241 its reverse (142245611), we get a palindrome (258787852).

The spelling of 116542241 in words is "one hundred sixteen million, five hundred forty-two thousand, two hundred forty-one".