116581247 has 8 divisors (see below), whose sum is σ = 120739440. Its totient is φ = 112432320.

The previous prime is 116581229. The next prime is 116581249. The reversal of 116581247 is 742185611.

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 116581247 - 2⁶ = 116581183 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 (116581249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32243 + ... + 35675.

It is an arithmetic number, because the mean of its divisors is an integer number (15092430).

Almost surely, 2^116581247 is an apocalyptic number.

116581247 is a deficient number, since it is larger than the sum of its proper divisors (4158193).

116581247 is a wasteful number, since it uses less digits than its factorization.

116581247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633.

The product of its digits is 13440, while the sum is 35.

The square root of 116581247 is about 10797.2796110872. The cubic root of 116581247 is about 488.5131200801.

The spelling of 116581247 in words is "one hundred sixteen million, five hundred eighty-one thousand, two hundred forty-seven".