2125045 has 8 divisors (see below), whose sum is σ = 2746296. Its totient is φ = 1569216.

The previous prime is 2125043. The next prime is 2125069. The reversal of 2125045 is 5405212.

2125045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 77284 + 2047761 = 278^2 + 1431^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2125045 - 2¹ = 2125043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125043) 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, 16282 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (343287).

2^2125045 is an apocalyptic number.

It is an amenable number.

2125045 is a deficient number, since it is larger than the sum of its proper divisors (621251).

2125045 is a wasteful number, since it uses less digits than its factorization.

2125045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32711.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2125045 is about 1457.7534085023. The cubic root of 2125045 is about 128.5649870377.

The spelling of 2125045 in words is "two million, one hundred twenty-five thousand, forty-five".