100865103 has 32 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 62160000.

The previous prime is 100865101. The next prime is 100865123. The reversal of 100865103 is 301568001.

It is not a de Polignac number, because 100865103 - 2¹ = 100865101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100865101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401728 + ... + 401978.

It is an arithmetic number, because the mean of its divisors is an integer number (4536000).

Almost surely, 2^100865103 is an apocalyptic number.

100865103 is a deficient number, since it is larger than the sum of its proper divisors (44286897).

100865103 is a wasteful number, since it uses less digits than its factorization.

100865103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 100865103 is about 10043.1620020788. The cubic root of 100865103 is about 465.4935261915.

The spelling of 100865103 in words is "one hundred million, eight hundred sixty-five thousand, one hundred three".