1053030203 has 4 divisors (see below), whose sum is σ = 1053401640. Its totient is φ = 1052658768.

The previous prime is 1053030161. The next prime is 1053030239. The reversal of 1053030203 is 3020303501.

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

It is a cyclic number.

It is not a de Polignac number, because 1053030203 - 2²² = 1048835899 is a prime.

It is a super-2 number, since 2×1053030203² = 2217745216860442418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053030703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181433 + ... + 187146.

It is an arithmetic number, because the mean of its divisors is an integer number (263350410).

Almost surely, 2^1053030203 is an apocalyptic number.

1053030203 is a deficient number, since it is larger than the sum of its proper divisors (371437).

1053030203 is an equidigital number, since it uses as much as digits as its factorization.

1053030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371436.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 1053030203 is about 32450.4268538952. The cubic root of 1053030203 is about 1017.3731597589.

Adding to 1053030203 its reverse (3020303501), we get a palindrome (4073333704).

The spelling of 1053030203 in words is "one billion, fifty-three million, thirty thousand, two hundred three".