1020053603 has 2 divisors, whose sum is σ = 1020053604. Its totient is φ = 1020053602.

The previous prime is 1020053597. The next prime is 1020053633. The reversal of 1020053603 is 3063500201.

1020053603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020053603 - 2⁶ = 1020053539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020053633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510026801 + 510026802.

It is an arithmetic number, because the mean of its divisors is an integer number (510026802).

Almost surely, 2^1020053603 is an apocalyptic number.

1020053603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020053603 is an equidigital number, since it uses as much as digits as its factorization.

1020053603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1020053603 is about 31938.2780218346. The cubic root of 1020053603 is about 1006.6403425836.

Adding to 1020053603 its reverse (3063500201), we get a palindrome (4083553804).

The spelling of 1020053603 in words is "one billion, twenty million, fifty-three thousand, six hundred three".