100122105 has 16 divisors (see below), whose sum is σ = 167160960. Its totient is φ = 51076608.

The previous prime is 100122089. The next prime is 100122179. The reversal of 100122105 is 501221001.

It is not a de Polignac number, because 100122105 - 2⁴ = 100122089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144760 + ... + 145449.

It is an arithmetic number, because the mean of its divisors is an integer number (10447560).

Almost surely, 2^100122105 is an apocalyptic number.

100122105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100122105 is a deficient number, since it is larger than the sum of its proper divisors (67038855).

100122105 is a wasteful number, since it uses less digits than its factorization.

100122105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290240.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 100122105 is about 10006.1033874331. The cubic root of 100122105 is about 464.3477269212.

Adding to 100122105 its reverse (501221001), we get a palindrome (601343106).

The spelling of 100122105 in words is "one hundred million, one hundred twenty-two thousand, one hundred five".