116937981 has 24 divisors (see below), whose sum is σ = 174713760. Its totient is φ = 75325536.

The previous prime is 116937979. The next prime is 116937991. The reversal of 116937981 is 189739611.

It is not a de Polignac number, because 116937981 - 2¹ = 116937979 is a prime.

It is a super-2 number, since 2×116937981² = 27348982800712722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116937971) 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 23 ways as a sum of consecutive naturals, for example, 30130 + ... + 33788.

It is an arithmetic number, because the mean of its divisors is an integer number (7279740).

Almost surely, 2^116937981 is an apocalyptic number.

It is an amenable number.

116937981 is a deficient number, since it is larger than the sum of its proper divisors (57775779).

116937981 is a wasteful number, since it uses less digits than its factorization.

116937981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785 (or 3782 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 116937981 is about 10813.7866170921. The cubic root of 116937981 is about 489.0108896417.

The spelling of 116937981 in words is "one hundred sixteen million, nine hundred thirty-seven thousand, nine hundred eighty-one".