100100863 has 2 divisors, whose sum is σ = 100100864. Its totient is φ = 100100862.

The previous prime is 100100857. The next prime is 100100867. The reversal of 100100863 is 368001001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100100863 - 2¹⁷ = 99969791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100100863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050431 + 50050432.

It is an arithmetic number, because the mean of its divisors is an integer number (50050432).

Almost surely, 2^100100863 is an apocalyptic number.

100100863 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100863 is an equidigital number, since it uses as much as digits as its factorization.

100100863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 100100863 is about 10005.0418789728. The cubic root of 100100863 is about 464.3148857816.

Adding to 100100863 its reverse (368001001), we get a palindrome (468101864).

The spelling of 100100863 in words is "one hundred million, one hundred thousand, eight hundred sixty-three".