2121024 has 28 divisors (see below), whose sum is σ = 5612384. Its totient is φ = 706944.

The previous prime is 2121023. The next prime is 2121029. The reversal of 2121024 is 4201212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5332 + ... + 5715.

2^2121024 is an apocalyptic number.

2121024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2121024 is an abundant number, since it is smaller than the sum of its proper divisors (3491360).

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

2121024 is a wasteful number, since it uses less digits than its factorization.

2121024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11062 (or 11052 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2121024 is about 1456.3735784475. The cubic root of 2121024 is about 128.4838458196.

Adding to 2121024 its reverse (4201212), we get a palindrome (6322236).

The spelling of 2121024 in words is "two million, one hundred twenty-one thousand, twenty-four".