100860885 has 12 divisors (see below), whose sum is σ = 174825612. Its totient is φ = 53792448.

The previous prime is 100860883. The next prime is 100860899. The reversal of 100860885 is 588068001.

It can be written as a sum of positive squares in 2 ways, for example, as 38229489 + 62631396 = 6183^2 + 7914^2 .

It is not a de Polignac number, because 100860885 - 2¹ = 100860883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100860883) 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 11 ways as a sum of consecutive naturals, for example, 1120632 + ... + 1120721.

It is an arithmetic number, because the mean of its divisors is an integer number (14568801).

Almost surely, 2^100860885 is an apocalyptic number.

100860885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100860885 is a deficient number, since it is larger than the sum of its proper divisors (73964727).

100860885 is a wasteful number, since it uses less digits than its factorization.

100860885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241364 (or 2241361 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 100860885 is about 10042.9520062579. The cubic root of 100860885 is about 465.4870373961.

The spelling of 100860885 in words is "one hundred million, eight hundred sixty thousand, eight hundred eighty-five".