1030453803 has 12 divisors (see below), whose sum is σ = 1520102688. Its totient is φ = 672352560.

The previous prime is 1030453777. The next prime is 1030453807. The reversal of 1030453803 is 3083540301.

It is a happy number.

It is not a de Polignac number, because 1030453803 - 2¹⁶ = 1030388267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1030453807) 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 in 11 ways as a sum of consecutive naturals, for example, 1217608 + ... + 1218453.

It is an arithmetic number, because the mean of its divisors is an integer number (126675224).

Almost surely, 2^1030453803 is an apocalyptic number.

1030453803 is a deficient number, since it is larger than the sum of its proper divisors (489648885).

1030453803 is a wasteful number, since it uses less digits than its factorization.

1030453803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436114 (or 2436111 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1030453803 is about 32100.6822824687. The cubic root of 1030453803 is about 1010.0499282576.

The spelling of 1030453803 in words is "one billion, thirty million, four hundred fifty-three thousand, eight hundred three".