2125115 has 8 divisors (see below), whose sum is σ = 2557968. Its totient is φ = 1694880.

The previous prime is 2125111. The next prime is 2125147. The reversal of 2125115 is 5115212.

2125115 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 not a de Polignac number, because 2125115 - 2² = 2125111 is a prime.

It is a super-2 number, since 2×2125115² = 9032227526450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125093 and 2125102.

It is not an unprimeable number, because it can be changed into a prime (2125111) by changing a digit.

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, 2885 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (319746).

2^2125115 is an apocalyptic number.

2125115 is a deficient number, since it is larger than the sum of its proper divisors (432853).

2125115 is an equidigital number, since it uses as much as digits as its factorization.

2125115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its digits is 100, while the sum is 17.

The square root of 2125115 is about 1457.7774178523. Note that the first 3 decimals coincide. The cubic root of 2125115 is about 128.5663986862.

The spelling of 2125115 in words is "two million, one hundred twenty-five thousand, one hundred fifteen".