2160105 has 32 divisors (see below), whose sum is σ = 3763584. Its totient is φ = 1053696.

The previous prime is 2160101. The next prime is 2160113. The reversal of 2160105 is 5010612.

It is not a de Polignac number, because 2160105 - 2² = 2160101 is a prime.

It is a super-2 number, since 2×2160105² = 9332107222050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2160101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10867 + ... + 11063.

It is an arithmetic number, because the mean of its divisors is an integer number (117612).

2^2160105 is an apocalyptic number.

It is an amenable number.

2160105 is a deficient number, since it is larger than the sum of its proper divisors (1603479).

2160105 is a wasteful number, since it uses less digits than its factorization.

2160105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2160105 is about 1469.7295669612. The cubic root of 2160105 is about 129.2681759573.

Adding to 2160105 its reverse (5010612), we get a palindrome (7170717).

The spelling of 2160105 in words is "two million, one hundred sixty thousand, one hundred five".