100856030 has 32 divisors (see below), whose sum is σ = 198637920. Its totient is φ = 36565120.

The previous prime is 100855991. The next prime is 100856033. The reversal of 100856030 is 30658001.

It is a junction number, because it is equal to n+sod(n) for n = 100855987 and 100856005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100856033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41612 + ... + 43968.

It is an arithmetic number, because the mean of its divisors is an integer number (6207435).

Almost surely, 2^100856030 is an apocalyptic number.

100856030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100856030 is a deficient number, since it is larger than the sum of its proper divisors (97781890).

100856030 is a wasteful number, since it uses less digits than its factorization.

100856030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 100856030 is about 10042.7102915498. The cubic root of 100856030 is about 465.4795684424.

The spelling of 100856030 in words is "one hundred million, eight hundred fifty-six thousand, thirty".