2124516 has 12 divisors (see below), whose sum is σ = 4957232. Its totient is φ = 708168.

The previous prime is 2124509. The next prime is 2124517. The reversal of 2124516 is 6154212.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2124492 and 2124501.

It is not an unprimeable number, because it can be changed into a prime (2124517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88510 + ... + 88533.

2^2124516 is an apocalyptic number.

It is an amenable number.

2124516 is an abundant number, since it is smaller than the sum of its proper divisors (2832716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2124516 is a wasteful number, since it uses less digits than its factorization.

2124516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177050 (or 177048 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 2124516 is about 1457.5719536270. The cubic root of 2124516 is about 128.5543180052.

Adding to 2124516 its reverse (6154212), we get a palindrome (8278728).

The spelling of 2124516 in words is "two million, one hundred twenty-four thousand, five hundred sixteen".