1021054 has 16 divisors (see below), whose sum is σ = 1652400. Its totient is φ = 471424.

The previous prime is 1021043. The next prime is 1021067. The reversal of 1021054 is 4501201.

It is a congruent number.

It is an unprimeable number.

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, 1752 + ... + 2260.

It is an arithmetic number, because the mean of its divisors is an integer number (103275).

2^1021054 is an apocalyptic number.

1021054 is a deficient number, since it is larger than the sum of its proper divisors (631346).

1021054 is a wasteful number, since it uses less digits than its factorization.

1021054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1021054 is about 1010.4721668606. The cubic root of 1021054 is about 100.6969315801.

Adding to 1021054 its reverse (4501201), we get a palindrome (5522255).

It can be divided in two parts, 102 and 1054, that added together give a square (1156 = 34²).

The spelling of 1021054 in words is "one million, twenty-one thousand, fifty-four".