1021324452 has 24 divisors (see below), whose sum is σ = 2384983776. Its totient is φ = 340171008.

The previous prime is 1021324439. The next prime is 1021324459. The reversal of 1021324452 is 2544231201.

It is not an unprimeable number, because it can be changed into a prime (1021324459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17773 + ... + 48564.

It is an arithmetic number, because the mean of its divisors is an integer number (99374324).

Almost surely, 2^1021324452 is an apocalyptic number.

1021324452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021324452 is an abundant number, since it is smaller than the sum of its proper divisors (1363659324).

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

1021324452 is a wasteful number, since it uses less digits than its factorization.

1021324452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67627 (or 67625 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1021324452 is about 31958.1672190381. The cubic root of 1021324452 is about 1007.0582150572.

Adding to 1021324452 its reverse (2544231201), we get a palindrome (3565555653).

The spelling of 1021324452 in words is "one billion, twenty-one million, three hundred twenty-four thousand, four hundred fifty-two".