116861071 has 4 divisors (see below), whose sum is σ = 117131392. Its totient is φ = 116590752.

The previous prime is 116861047. The next prime is 116861083. The reversal of 116861071 is 170168611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170168611 = 71 ⋅2396741.

It is a cyclic number.

It is not a de Polignac number, because 116861071 - 2⁷ = 116860943 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 (116861471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134511 + ... + 135376.

It is an arithmetic number, because the mean of its divisors is an integer number (29282848).

Almost surely, 2^116861071 is an apocalyptic number.

116861071 is a deficient number, since it is larger than the sum of its proper divisors (270321).

116861071 is an equidigital number, since it uses as much as digits as its factorization.

116861071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270320.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 116861071 is about 10810.2299235493. The cubic root of 116861071 is about 488.9036587958.

The spelling of 116861071 in words is "one hundred sixteen million, eight hundred sixty-one thousand, seventy-one".