116012981 has 12 divisors (see below), whose sum is σ = 140846688. Its totient is φ = 93588672.

The previous prime is 116012971. The next prime is 116012999. The reversal of 116012981 is 189210611.

It is not a de Polignac number, because 116012981 - 2¹⁴ = 115996597 is a prime.

It is a super-2 number, since 2×116012981² = 26918023521012722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116012971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26651 + ... + 30696.

It is an arithmetic number, because the mean of its divisors is an integer number (11737224).

Almost surely, 2^116012981 is an apocalyptic number.

It is an amenable number.

116012981 is a deficient number, since it is larger than the sum of its proper divisors (24833707).

116012981 is an equidigital number, since it uses as much as digits as its factorization.

116012981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57388 (or 57371 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 116012981 is about 10770.9322252069. The cubic root of 116012981 is about 487.7180874758.

It can be divided in two parts, 1160 and 12981, that added together give a palindrome (14141).

The spelling of 116012981 in words is "one hundred sixteen million, twelve thousand, nine hundred eighty-one".