1021020546 has 48 divisors (see below), whose sum is σ = 2558170944. Its totient is φ = 269279136.

The previous prime is 1021020529. The next prime is 1021020551. The reversal of 1021020546 is 6450201201.

1021020546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129750 + ... + 137393.

It is an arithmetic number, because the mean of its divisors is an integer number (53295228).

Almost surely, 2^1021020546 is an apocalyptic number.

1021020546 is an abundant number, since it is smaller than the sum of its proper divisors (1537150398).

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

1021020546 is a wasteful number, since it uses less digits than its factorization.

1021020546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267175 (or 267168 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1021020546 is about 31953.4121182699. The cubic root of 1021020546 is about 1006.9583181718.

Adding to 1021020546 its reverse (6450201201), we get a palindrome (7471221747).

The spelling of 1021020546 in words is "one billion, twenty-one million, twenty thousand, five hundred forty-six".