2021124325 has 24 divisors (see below), whose sum is σ = 2759153760. Its totient is φ = 1456401600.

The previous prime is 2021124323. The next prime is 2021124349. The reversal of 2021124325 is 5234211202.

It is a happy number.

It is not a de Polignac number, because 2021124325 - 2¹ = 2021124323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021124296 and 2021124305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021124323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3739 + ... + 63688.

It is an arithmetic number, because the mean of its divisors is an integer number (114964740).

Almost surely, 2^2021124325 is an apocalyptic number.

2021124325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021124325 is a deficient number, since it is larger than the sum of its proper divisors (738029435).

2021124325 is a wasteful number, since it uses less digits than its factorization.

2021124325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67557 (or 67552 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2021124325 is about 44956.9163199613. The cubic root of 2021124325 is about 1264.3413538635.

Adding to 2021124325 its reverse (5234211202), we get a palindrome (7255335527).

The spelling of 2021124325 in words is "two billion, twenty-one million, one hundred twenty-four thousand, three hundred twenty-five".