2102015 has 8 divisors (see below), whose sum is σ = 2546640. Its totient is φ = 1665472.

The previous prime is 2101961. The next prime is 2102021. The reversal of 2102015 is 5102012.

2102015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2102015 - 2¹⁰ = 2100991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101987 and 2102005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (318330).

2^2102015 is an apocalyptic number.

2102015 is a deficient number, since it is larger than the sum of its proper divisors (444625).

2102015 is a wasteful number, since it uses less digits than its factorization.

2102015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2102015 is about 1449.8327489749. The cubic root of 2102015 is about 128.0988616122.

Adding to 2102015 its reverse (5102012), we get a palindrome (7204027).

The spelling of 2102015 in words is "two million, one hundred two thousand, fifteen".