2120624 has 20 divisors (see below), whose sum is σ = 4482600. Its totient is φ = 963840.

The previous prime is 2120621. The next prime is 2120639. The reversal of 2120624 is 4260212.

It is a super-2 number, since 2×2120624² = 8994092298752, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2120621) 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, 5849 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (224130).

2^2120624 is an apocalyptic number.

It is an amenable number.

2120624 is an abundant number, since it is smaller than the sum of its proper divisors (2361976).

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

2120624 is a wasteful number, since it uses less digits than its factorization.

2120624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12068 (or 12062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2120624 is about 1456.2362445702. The cubic root of 2120624 is about 128.4757684681.

Adding to 2120624 its reverse (4260212), we get a palindrome (6380836).

It can be divided in two parts, 2120 and 624, that added together give a cube (2744 = 14³).

The spelling of 2120624 in words is "two million, one hundred twenty thousand, six hundred twenty-four".