1053421203 has 8 divisors (see below), whose sum is σ = 1404777616. Its totient is φ = 702172800.

The previous prime is 1053421189. The next prime is 1053421207. The reversal of 1053421203 is 3021243501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1053421203 - 2¹⁸ = 1053159059 is a prime.

It is a super-2 number, since 2×1053421203² = 2219392461859934418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053421203.

It is not an unprimeable number, because it can be changed into a prime (1053421207) 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 7 ways as a sum of consecutive naturals, for example, 538 + ... + 45903.

It is an arithmetic number, because the mean of its divisors is an integer number (175597202).

Almost surely, 2^1053421203 is an apocalyptic number.

1053421203 is a deficient number, since it is larger than the sum of its proper divisors (351356413).

1053421203 is an equidigital number, since it uses as much as digits as its factorization.

1053421203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54005.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1053421203 is about 32456.4508688181. The cubic root of 1053421203 is about 1017.4990642454.

Adding to 1053421203 its reverse (3021243501), we get a palindrome (4074664704).

The spelling of 1053421203 in words is "one billion, fifty-three million, four hundred twenty-one thousand, two hundred three".