100105655 has 8 divisors (see below), whose sum is σ = 129367392. Its totient is φ = 73924128.

The previous prime is 100105631. The next prime is 100105657. The reversal of 100105655 is 556501001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100105655 - 2⁸ = 100105399 is a prime.

It is a super-2 number, since 2×100105655² = 20042284325958050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100105655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100105657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769979 + ... + 770108.

It is an arithmetic number, because the mean of its divisors is an integer number (16170924).

Almost surely, 2^100105655 is an apocalyptic number.

100105655 is a deficient number, since it is larger than the sum of its proper divisors (29261737).

100105655 is a wasteful number, since it uses less digits than its factorization.

100105655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540105.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 100105655 is about 10005.2813553643. The cubic root of 100105655 is about 464.3222948467.

Adding to 100105655 its reverse (556501001), we get a palindrome (656606656).

The spelling of 100105655 in words is "one hundred million, one hundred five thousand, six hundred fifty-five".