1021244452 has 36 divisors (see below), whose sum is σ = 1918319760. Its totient is φ = 475508592.

The previous prime is 1021244407. The next prime is 1021244467. The reversal of 1021244452 is 2544421201.

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, 79203 + ... + 91189.

It is an arithmetic number, because the mean of its divisors is an integer number (53286660).

Almost surely, 2^1021244452 is an apocalyptic number.

It is an amenable number.

1021244452 is a deficient number, since it is larger than the sum of its proper divisors (897075308).

1021244452 is a wasteful number, since it uses less digits than its factorization.

1021244452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088 (or 12067 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1021244452 is about 31956.9155582950. The cubic root of 1021244452 is about 1007.0319201938.

Adding to 1021244452 its reverse (2544421201), we get a palindrome (3565665653).

The spelling of 1021244452 in words is "one billion, twenty-one million, two hundred forty-four thousand, four hundred fifty-two".