2126915 has 16 divisors (see below), whose sum is σ = 2963712. Its totient is φ = 1435104.

The previous prime is 2126911. The next prime is 2126923. The reversal of 2126915 is 5196212.

It is a cyclic number.

It is not a de Polignac number, because 2126915 - 2² = 2126911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1892 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (185232).

2^2126915 is an apocalyptic number.

2126915 is a deficient number, since it is larger than the sum of its proper divisors (836797).

2126915 is an equidigital number, since it uses as much as digits as its factorization.

2126915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its digits is 1080, while the sum is 26.

The square root of 2126915 is about 1458.3946653770. The cubic root of 2126915 is about 128.6026875788.

The spelling of 2126915 in words is "two million, one hundred twenty-six thousand, nine hundred fifteen".