2142015 has 16 divisors (see below), whose sum is σ = 3484896. Its totient is φ = 1123200.

The previous prime is 2142001. The next prime is 2142029. The reversal of 2142015 is 5102412.

It is an interprime number because it is at equal distance from previous prime (2142001) and next prime (2142029).

It is not a de Polignac number, because 2142015 - 2¹¹ = 2139967 is a prime.

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

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2141985 and 2142003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (217806).

2^2142015 is an apocalyptic number.

2142015 is a deficient number, since it is larger than the sum of its proper divisors (1342881).

2142015 is a wasteful number, since it uses less digits than its factorization.

2142015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2142015 is about 1463.5624346095. The cubic root of 2142015 is about 128.9063077869.

Adding to 2142015 its reverse (5102412), we get a palindrome (7244427).

The spelling of 2142015 in words is "two million, one hundred forty-two thousand, fifteen".