1021054424 has 32 divisors (see below), whose sum is σ = 2076822720. Its totient is φ = 467809536.

The previous prime is 1021054421. The next prime is 1021054439. The reversal of 1021054424 is 4244501201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021054424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021054421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21584 + ... + 50079.

It is an arithmetic number, because the mean of its divisors is an integer number (64900710).

Almost surely, 2^1021054424 is an apocalyptic number.

It is an amenable number.

1021054424 is an abundant number, since it is smaller than the sum of its proper divisors (1055768296).

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

1021054424 is a wasteful number, since it uses less digits than its factorization.

1021054424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71819 (or 71815 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1021054424 is about 31953.9422294026. The cubic root of 1021054424 is about 1006.9694551846.

Adding to 1021054424 its reverse (4244501201), we get a palindrome (5265555625).

The spelling of 1021054424 in words is "one billion, twenty-one million, fifty-four thousand, four hundred twenty-four".