2125915 has 8 divisors (see below), whose sum is σ = 2783088. Its totient is φ = 1546080.

The previous prime is 2125889. The next prime is 2125919. The reversal of 2125915 is 5195212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2125915 - 2¹¹ = 2123867 is a prime.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 2125915.

It is not an unprimeable number, because it can be changed into a prime (2125919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19272 + ... + 19381.

It is an arithmetic number, because the mean of its divisors is an integer number (347886).

2^2125915 is an apocalyptic number.

2125915 is a deficient number, since it is larger than the sum of its proper divisors (657173).

2125915 is a wasteful number, since it uses less digits than its factorization.

2125915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38669.

The product of its digits is 900, while the sum is 25.

The square root of 2125915 is about 1458.0517823452. The cubic root of 2125915 is about 128.5825296117.

The spelling of 2125915 in words is "two million, one hundred twenty-five thousand, nine hundred fifteen".