1021484 has 6 divisors (see below), whose sum is σ = 1787604. Its totient is φ = 510740.

The previous prime is 1021483. The next prime is 1021487. The reversal of 1021484 is 4841201.

It is not an unprimeable number, because it can be changed into a prime (1021483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127682 + ... + 127689.

It is an arithmetic number, because the mean of its divisors is an integer number (297934).

2^1021484 is an apocalyptic number.

It is an amenable number.

1021484 is a deficient number, since it is larger than the sum of its proper divisors (766120).

1021484 is a wasteful number, since it uses less digits than its factorization.

1021484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255375 (or 255373 counting only the distinct ones).

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

The square root of 1021484 is about 1010.6849162820. The cubic root of 1021484 is about 100.7110652118.

Adding to 1021484 its reverse (4841201), we get a palindrome (5862685).

It can be divided in two parts, 10 and 21484, that multiplied together give a triangular number (214840 = T₆₅₅).

The spelling of 1021484 in words is "one million, twenty-one thousand, four hundred eighty-four".