2120546 has 16 divisors (see below), whose sum is σ = 3442176. Its totient is φ = 975936.

The previous prime is 2120537. The next prime is 2120549. The reversal of 2120546 is 6450212.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120549) 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, 935 + ... + 2261.

It is an arithmetic number, because the mean of its divisors is an integer number (215136).

2^2120546 is an apocalyptic number.

2120546 is a deficient number, since it is larger than the sum of its proper divisors (1321630).

2120546 is a wasteful number, since it uses less digits than its factorization.

2120546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2120546 is about 1456.2094629551. The cubic root of 2120546 is about 128.4741932662.

Adding to 2120546 its reverse (6450212), we get a palindrome (8570758).

The spelling of 2120546 in words is "two million, one hundred twenty thousand, five hundred forty-six".