1045215203 has 2 divisors, whose sum is σ = 1045215204. Its totient is φ = 1045215202.

The previous prime is 1045215191. The next prime is 1045215307. The reversal of 1045215203 is 3025125401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045215203 - 2²² = 1041020899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045215803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522607601 + 522607602.

It is an arithmetic number, because the mean of its divisors is an integer number (522607602).

Almost surely, 2^1045215203 is an apocalyptic number.

1045215203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045215203 is an equidigital number, since it uses as much as digits as its factorization.

1045215203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1045215203 is about 32329.7881681894. The cubic root of 1045215203 is about 1014.8501167536.

The spelling of 1045215203 in words is "one billion, forty-five million, two hundred fifteen thousand, two hundred three".