2021430124 has 36 divisors (see below), whose sum is σ = 4139762256. Its totient is φ = 861125664.

The previous prime is 2021430119. The next prime is 2021430127. The reversal of 2021430124 is 4210341202.

It is not an unprimeable number, because it can be changed into a prime (2021430127) 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 11 ways as a sum of consecutive naturals, for example, 1854 + ... + 63610.

It is an arithmetic number, because the mean of its divisors is an integer number (114993396).

Almost surely, 2^2021430124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021430124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069881128).

2021430124 is an abundant number, since it is smaller than the sum of its proper divisors (2118332132).

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

2021430124 is a wasteful number, since it uses less digits than its factorization.

2021430124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61942 (or 61933 counting only the distinct ones).

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

The square root of 2021430124 is about 44960.3172141834. The cubic root of 2021430124 is about 1264.4051161994.

Adding to 2021430124 its reverse (4210341202), we get a palindrome (6231771326).

The spelling of 2021430124 in words is "two billion, twenty-one million, four hundred thirty thousand, one hundred twenty-four".