1020604641 has 16 divisors (see below), whose sum is σ = 1560123264. Its totient is φ = 581359104.

The previous prime is 1020604631. The next prime is 1020604693. The reversal of 1020604641 is 1464060201.

1020604641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020604641 - 2¹⁸ = 1020342497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020604601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70000 + ... + 83313.

It is an arithmetic number, because the mean of its divisors is an integer number (97507704).

Almost surely, 2^1020604641 is an apocalyptic number.

It is an amenable number.

1020604641 is a deficient number, since it is larger than the sum of its proper divisors (539518623).

1020604641 is a wasteful number, since it uses less digits than its factorization.

1020604641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153640.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1020604641 is about 31946.9034649682. The cubic root of 1020604641 is about 1006.8215739836.

Adding to 1020604641 its reverse (1464060201), we get a palindrome (2484664842).

The spelling of 1020604641 in words is "one billion, twenty million, six hundred four thousand, six hundred forty-one".