1043021252 has 36 divisors (see below), whose sum is σ = 2286629100. Its totient is φ = 412622784.

The previous prime is 1043021191. The next prime is 1043021267. The reversal of 1043021252 is 2521203401.

It can be written as a sum of positive squares in 2 ways, for example, as 408686656 + 634334596 = 20216^2 + 25186^2 .

It is an unprimeable number.

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, 202127 + ... + 207222.

It is an arithmetic number, because the mean of its divisors is an integer number (63517475).

Almost surely, 2^1043021252 is an apocalyptic number.

It is an amenable number.

1043021252 is an abundant number, since it is smaller than the sum of its proper divisors (1243607848).

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

1043021252 is a wasteful number, since it uses less digits than its factorization.

1043021252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409380 (or 409371 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1043021252 is about 32295.8395462945. The cubic root of 1043021252 is about 1014.1395482179.

Adding to 1043021252 its reverse (2521203401), we get a palindrome (3564224653).

The spelling of 1043021252 in words is "one billion, forty-three million, twenty-one thousand, two hundred fifty-two".