1020504512 has 14 divisors (see below), whose sum is σ = 2025063768. Its totient is φ = 510252224.

The previous prime is 1020504491. The next prime is 1020504517. The reversal of 1020504512 is 2154050201.

1020504512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020504517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7972628 + ... + 7972755.

It is an arithmetic number, because the mean of its divisors is an integer number (144647412).

Almost surely, 2^1020504512 is an apocalyptic number.

It is an amenable number.

1020504512 is a deficient number, since it is larger than the sum of its proper divisors (1004559256).

1020504512 is an equidigital number, since it uses as much as digits as its factorization.

1020504512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945395 (or 15945385 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1020504512 is about 31945.3363106417. The cubic root of 1020504512 is about 1006.7886473144.

Adding to 1020504512 its reverse (2154050201), we get a palindrome (3174554713).

The spelling of 1020504512 in words is "one billion, twenty million, five hundred four thousand, five hundred twelve".