1020133045 has 4 divisors (see below), whose sum is σ = 1224159660. Its totient is φ = 816106432.

The previous prime is 1020133019. The next prime is 1020133061. The reversal of 1020133045 is 5403310201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258759396 + 761373649 = 16086^2 + 27593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020133045 - 2¹¹ = 1020130997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102013300 + ... + 102013309.

It is an arithmetic number, because the mean of its divisors is an integer number (306039915).

Almost surely, 2^1020133045 is an apocalyptic number.

It is an amenable number.

1020133045 is a deficient number, since it is larger than the sum of its proper divisors (204026615).

1020133045 is an equidigital number, since it uses as much as digits as its factorization.

1020133045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204026614.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020133045 is about 31939.5216776958. The cubic root of 1020133045 is about 1006.6664743627. Note that the first 3 decimals are identical.

Adding to 1020133045 its reverse (5403310201), we get a palindrome (6423443246).

The spelling of 1020133045 in words is "one billion, twenty million, one hundred thirty-three thousand, forty-five".