116421903 has 18 divisors (see below), whose sum is σ = 182098176. Its totient is φ = 71643312.

The previous prime is 116421901. The next prime is 116421913. The reversal of 116421903 is 309124611.

116421903 is a `hidden beast` number, since 1 + 1 + 642 + 19 + 0 + 3 = 666.

It is not a de Polignac number, because 116421903 - 2¹ = 116421901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116421901) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36751 + ... + 39792.

Almost surely, 2^116421903 is an apocalyptic number.

116421903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

116421903 is a deficient number, since it is larger than the sum of its proper divisors (65676273).

116421903 is a wasteful number, since it uses less digits than its factorization.

116421903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76575 (or 76559 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 116421903 is about 10789.8981922908. The cubic root of 116421903 is about 488.2904509735.

The spelling of 116421903 in words is "one hundred sixteen million, four hundred twenty-one thousand, nine hundred three".