1045205203 has 24 divisors (see below), whose sum is σ = 1275970592. Its totient is φ = 838508544.

The previous prime is 1045205201. The next prime is 1045205221. The reversal of 1045205203 is 3025025401.

1045205203 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 1045205203 - 2¹ = 1045205201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045205201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389101 + ... + 391777.

Almost surely, 2^1045205203 is an apocalyptic number.

1045205203 is a deficient number, since it is larger than the sum of its proper divisors (230765389).

1045205203 is a wasteful number, since it uses less digits than its factorization.

1045205203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1045205203 is about 32329.6335116871. The cubic root of 1045205203 is about 1014.8468802483.

The spelling of 1045205203 in words is "one billion, forty-five million, two hundred five thousand, two hundred three".