2105072 has 20 divisors (see below), whose sum is σ = 4110600. Its totient is φ = 1044288.

The previous prime is 2105071. The next prime is 2105111. The reversal of 2105072 is 2705012.

2105072 = T₈₈ + T₈₉ + ... + T₂₃₆.

2105072 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2105072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943 + ... + 2825.

It is an arithmetic number, because the mean of its divisors is an integer number (205530).

2^2105072 is an apocalyptic number.

It is an amenable number.

2105072 is a deficient number, since it is larger than the sum of its proper divisors (2005528).

2105072 is a wasteful number, since it uses less digits than its factorization.

2105072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2105072 is about 1450.8866254811. The cubic root of 2105072 is about 128.1609303950.

The spelling of 2105072 in words is "two million, one hundred five thousand, seventy-two".