1021052424 has 32 divisors (see below), whose sum is σ = 2917293120. Its totient is φ = 291729216.

The previous prime is 1021052371. The next prime is 1021052429. The reversal of 1021052424 is 4242501201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1021052424.

It is not an unprimeable number, because it can be changed into a prime (1021052429) 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, 3038679 + ... + 3039014.

It is an arithmetic number, because the mean of its divisors is an integer number (91165410).

Almost surely, 2^1021052424 is an apocalyptic number.

1021052424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1021052424 is an abundant number, since it is smaller than the sum of its proper divisors (1896240696).

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

1021052424 is a wasteful number, since it uses less digits than its factorization.

1021052424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077709 (or 6077705 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1021052424 is about 31953.9109343442. The cubic root of 1021052424 is about 1006.9687977139.

Adding to 1021052424 its reverse (4242501201), we get a palindrome (5263553625).

The spelling of 1021052424 in words is "one billion, twenty-one million, fifty-two thousand, four hundred twenty-four".