1021448 has 8 divisors (see below), whose sum is σ = 1915230. Its totient is φ = 510720.

The previous prime is 1021441. The next prime is 1021457. The reversal of 1021448 is 8441201.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 103684 = 958^2 + 322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63833 + ... + 63848.

2^1021448 is an apocalyptic number.

It is an amenable number.

1021448 is a deficient number, since it is larger than the sum of its proper divisors (893782).

1021448 is a wasteful number, since it uses less digits than its factorization.

1021448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127687 (or 127683 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1021448 is about 1010.6671064203. The cubic root of 1021448 is about 100.7098820832.

Adding to 1021448 its reverse (8441201), we get a palindrome (9462649).

It can be divided in two parts, 102 and 1448, that multiplied together give a triangular number (147696 = T₅₄₃).

The spelling of 1021448 in words is "one million, twenty-one thousand, four hundred forty-eight".