116261 has 8 divisors (see below), whose sum is σ = 127200. Its totient is φ = 105840.

The previous prime is 116257. The next prime is 116269. The reversal of 116261 is 162611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116261 - 2² = 116257 is a prime.

It is a Duffinian number.

116261 is a modest number, since divided by 261 gives 116 as remainder.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446 + ... + 656.

It is an arithmetic number, because the mean of its divisors is an integer number (15900).

2¹¹⁶²⁶¹ is an apocalyptic number.

It is an amenable number.

116261 is a deficient number, since it is larger than the sum of its proper divisors (10939).

116261 is a wasteful number, since it uses less digits than its factorization.

116261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its digits is 72, while the sum is 17.

The square root of 116261 is about 340.9706732257. The cubic root of 116261 is about 48.8065397041.

Adding to 116261 its reverse (162611), we get a palindrome (278872).

It can be divided in two parts, 116 and 261, that multiplied together give a square (30276 = 174²).

The spelling of 116261 in words is "one hundred sixteen thousand, two hundred sixty-one".