108721003 has 2 divisors, whose sum is σ = 108721004. Its totient is φ = 108721002.

The previous prime is 108720991. The next prime is 108721007. The reversal of 108721003 is 300127801.

It is a strong prime.

It is an emirp because it is prime and its reverse (300127801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108721003 is a prime.

It is not a weakly prime, because it can be changed into another prime (108721007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54360501 + 54360502.

It is an arithmetic number, because the mean of its divisors is an integer number (54360502).

Almost surely, 2^108721003 is an apocalyptic number.

108721003 is a deficient number, since it is larger than the sum of its proper divisors (1).

108721003 is an equidigital number, since it uses as much as digits as its factorization.

108721003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 108721003 is about 10426.9364148824. The cubic root of 108721003 is about 477.2777076295.

Adding to 108721003 its reverse (300127801), we get a palindrome (408848804).

The spelling of 108721003 in words is "one hundred eight million, seven hundred twenty-one thousand, three".