116121605 has 8 divisors (see below), whose sum is σ = 139508352. Its totient is φ = 92789008.

The previous prime is 116121589. The next prime is 116121659. The reversal of 116121605 is 506121611.

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 116121605 - 2⁴ = 116121589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8657 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (17438544).

Almost surely, 2^116121605 is an apocalyptic number.

It is an amenable number.

116121605 is a deficient number, since it is larger than the sum of its proper divisors (23386747).

116121605 is an equidigital number, since it uses as much as digits as its factorization.

116121605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27075.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 116121605 is about 10775.9735059066. The cubic root of 116121605 is about 487.8702582734.

The spelling of 116121605 in words is "one hundred sixteen million, one hundred twenty-one thousand, six hundred five".