116121603 has 16 divisors (see below), whose sum is σ = 167369216. Its totient is φ = 71189280.

The previous prime is 116121589. The next prime is 116121659. The reversal of 116121603 is 306121611.

It is not a de Polignac number, because 116121603 - 2¹⁰ = 116120579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116121603.

It is not an unprimeable number, because it can be changed into a prime (116121683) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5076 + ... + 16062.

It is an arithmetic number, because the mean of its divisors is an integer number (10460576).

Almost surely, 2^116121603 is an apocalyptic number.

116121603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

116121603 is a deficient number, since it is larger than the sum of its proper divisors (51247613).

116121603 is a wasteful number, since it uses less digits than its factorization.

116121603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 116121603 is about 10775.9734131075. The cubic root of 116121603 is about 487.8702554725.

The spelling of 116121603 in words is "one hundred sixteen million, one hundred twenty-one thousand, six hundred three".