116909903 has 4 divisors (see below), whose sum is σ = 127538088. Its totient is φ = 106281720.

The previous prime is 116909879. The next prime is 116909921. The reversal of 116909903 is 309909611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116909903 - 2¹² = 116905807 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 (116909953) 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, 5314076 + ... + 5314097.

It is an arithmetic number, because the mean of its divisors is an integer number (31884522).

Almost surely, 2^116909903 is an apocalyptic number.

116909903 is a deficient number, since it is larger than the sum of its proper divisors (10628185).

116909903 is a wasteful number, since it uses less digits than its factorization.

116909903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628184.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 116909903 is about 10812.4882890110. The cubic root of 116909903 is about 488.9717476774.

It can be divided in two parts, 116 and 909903, that added together give a palindrome (910019).

The spelling of 116909903 in words is "one hundred sixteen million, nine hundred nine thousand, nine hundred three".