1021234424 has 64 divisors (see below), whose sum is σ = 2242114560. Its totient is φ = 426983040.

The previous prime is 1021234349. The next prime is 1021234441. The reversal of 1021234424 is 4244321201.

It is a super-2 number, since 2×1021234424² = 2085839497525223552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021234424.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1544654 + ... + 1545314.

It is an arithmetic number, because the mean of its divisors is an integer number (35033040).

Almost surely, 2^1021234424 is an apocalyptic number.

1021234424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021234424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121057280).

1021234424 is an abundant number, since it is smaller than the sum of its proper divisors (1220880136).

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

1021234424 is a wasteful number, since it uses less digits than its factorization.

1021234424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1021234424 is about 31956.7586591632. The cubic root of 1021234424 is about 1007.0286240358.

Adding to 1021234424 its reverse (4244321201), we get a palindrome (5265555625).

The spelling of 1021234424 in words is "one billion, twenty-one million, two hundred thirty-four thousand, four hundred twenty-four".