4056105 has 8 divisors (see below), whose sum is σ = 6489792. Its totient is φ = 2163248.

The previous prime is 4056079. The next prime is 4056109. The reversal of 4056105 is 5016504.

It is a happy number.

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 4056105 - 2⁹ = 4055593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4056109) 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, 135189 + ... + 135218.

It is an arithmetic number, because the mean of its divisors is an integer number (811224).

Almost surely, 2^4056105 is an apocalyptic number.

It is an amenable number.

4056105 is a deficient number, since it is larger than the sum of its proper divisors (2433687).

4056105 is a wasteful number, since it uses less digits than its factorization.

4056105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270415.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 4056105 is about 2013.9774080163. The cubic root of 4056105 is about 159.4788381368.

The spelling of 4056105 in words is "four million, fifty-six thousand, one hundred five".