1020143203 has 8 divisors (see below), whose sum is σ = 1024396560. Its totient is φ = 1015899360.

The previous prime is 1020143197. The next prime is 1020143207. The reversal of 1020143203 is 3023410201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1020143203 - 2²⁹ = 483272291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020143207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275601 + ... + 279277.

It is an arithmetic number, because the mean of its divisors is an integer number (128049570).

Almost surely, 2^1020143203 is an apocalyptic number.

1020143203 is a deficient number, since it is larger than the sum of its proper divisors (4253357).

1020143203 is an equidigital number, since it uses as much as digits as its factorization.

1020143203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020143203 is about 31939.6806965881. The cubic root of 1020143203 is about 1006.6698156537.

Adding to 1020143203 its reverse (3023410201), we get a palindrome (4043553404).

The spelling of 1020143203 in words is "one billion, twenty million, one hundred forty-three thousand, two hundred three".