116621003 has 12 divisors (see below), whose sum is σ = 126933912. Its totient is φ = 106773120.

The previous prime is 116620997. The next prime is 116621009. The reversal of 116621003 is 300126611.

It is an interprime number because it is at equal distance from previous prime (116620997) and next prime (116621009).

It is not a de Polignac number, because 116621003 - 2⁶ = 116620939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116621009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20768 + ... + 25778.

It is an arithmetic number, because the mean of its divisors is an integer number (10577826).

Almost surely, 2^116621003 is an apocalyptic number.

116621003 is a deficient number, since it is larger than the sum of its proper divisors (10312909).

116621003 is an equidigital number, since it uses as much as digits as its factorization.

116621003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102 (or 5065 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 116621003 is about 10799.1204734460. The cubic root of 116621003 is about 488.5686439340.

Adding to 116621003 its reverse (300126611), we get a palindrome (416747614).

The spelling of 116621003 in words is "one hundred sixteen million, six hundred twenty-one thousand, three".