2021403124 has 48 divisors (see below), whose sum is σ = 3959262720. Its totient is φ = 896595840.

The previous prime is 2021403121. The next prime is 2021403133. The reversal of 2021403124 is 4213041202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021403121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333279 + ... + 339289.

It is an arithmetic number, because the mean of its divisors is an integer number (82484640).

Almost surely, 2^2021403124 is an apocalyptic number.

It is an amenable number.

2021403124 is a deficient number, since it is larger than the sum of its proper divisors (1937859596).

2021403124 is a wasteful number, since it uses less digits than its factorization.

2021403124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280 (or 6278 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2021403124 is about 44960.0169483954. The cubic root of 2021403124 is about 1264.3994866717.

Adding to 2021403124 its reverse (4213041202), we get a palindrome (6234444326).

The spelling of 2021403124 in words is "two billion, twenty-one million, four hundred three thousand, one hundred twenty-four".