2125245 has 16 divisors (see below), whose sum is σ = 3579840. Its totient is φ = 1073664.

The previous prime is 2125237. The next prime is 2125259. The reversal of 2125245 is 5425212.

It is a happy number.

It is not a de Polignac number, because 2125245 - 2³ = 2125237 is a prime.

2125245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3444 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (223740).

2^2125245 is an apocalyptic number.

It is an amenable number.

2125245 is a deficient number, since it is larger than the sum of its proper divisors (1454595).

2125245 is a wasteful number, since it uses less digits than its factorization.

2125245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484.

The product of its digits is 800, while the sum is 21.

The square root of 2125245 is about 1457.8220055960. The cubic root of 2125245 is about 128.5690202371.

The spelling of 2125245 in words is "two million, one hundred twenty-five thousand, two hundred forty-five".