1020548439 has 6 divisors (see below), whose sum is σ = 1474125536. Its totient is φ = 680365620.

The previous prime is 1020548423. The next prime is 1020548461. The reversal of 1020548439 is 9348450201.

1020548439 is a `hidden beast` number, since 10 + 205 + 4 + 8 + 439 = 666.

It is not a de Polignac number, because 1020548439 - 2⁴ = 1020548423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020541439) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 56697127 + ... + 56697144.

Almost surely, 2^1020548439 is an apocalyptic number.

1020548439 is a deficient number, since it is larger than the sum of its proper divisors (453577097).

1020548439 is a wasteful number, since it uses less digits than its factorization.

1020548439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113394277 (or 113394274 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1020548439 is about 31946.0238370912. The cubic root of 1020548439 is about 1006.8030926434.

The spelling of 1020548439 in words is "one billion, twenty million, five hundred forty-eight thousand, four hundred thirty-nine".