2120516 has 6 divisors (see below), whose sum is σ = 3710910. Its totient is φ = 1060256.

The previous prime is 2120513. The next prime is 2120537. The reversal of 2120516 is 6150212.

It can be written as a sum of positive squares in only one way, i.e., 2114116 + 6400 = 1454^2 + 80^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120494 and 2120503.

It is not an unprimeable number, because it can be changed into a prime (2120513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265061 + ... + 265068.

It is an arithmetic number, because the mean of its divisors is an integer number (618485).

2^2120516 is an apocalyptic number.

It is an amenable number.

2120516 is a deficient number, since it is larger than the sum of its proper divisors (1590394).

2120516 is a wasteful number, since it uses less digits than its factorization.

2120516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530133 (or 530131 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2120516 is about 1456.1991622028. The cubic root of 2120516 is about 128.4735874090.

Adding to 2120516 its reverse (6150212), we get a palindrome (8270728).

The spelling of 2120516 in words is "two million, one hundred twenty thousand, five hundred sixteen".