2120573 has 12 divisors (see below), whose sum is σ = 2657340. Its totient is φ = 1677312.

The previous prime is 2120551. The next prime is 2120579. The reversal of 2120573 is 3750212.

It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 1570009 = 742^2 + 1253^2 .

It is not a de Polignac number, because 2120573 - 2⁸ = 2120317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1028 + ... + 2301.

It is an arithmetic number, because the mean of its divisors is an integer number (221445).

2^2120573 is an apocalyptic number.

It is an amenable number.

2120573 is a deficient number, since it is larger than the sum of its proper divisors (536767).

2120573 is a wasteful number, since it uses less digits than its factorization.

2120573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2120573 is about 1456.2187335699. The cubic root of 2120573 is about 128.4747385328.

Adding to 2120573 its reverse (3750212), we get a palindrome (5870785).

The spelling of 2120573 in words is "two million, one hundred twenty thousand, five hundred seventy-three".