1140143203 has 16 divisors (see below), whose sum is σ = 1241625600. Its totient is φ = 1042964640.

The previous prime is 1140143201. The next prime is 1140143243. The reversal of 1140143203 is 3023410411.

It is a cyclic number.

It is not a de Polignac number, because 1140143203 - 2¹ = 1140143201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140143201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297900 + ... + 301702.

It is an arithmetic number, because the mean of its divisors is an integer number (77601600).

Almost surely, 2^1140143203 is an apocalyptic number.

1140143203 is a deficient number, since it is larger than the sum of its proper divisors (101482397).

1140143203 is a wasteful number, since it uses less digits than its factorization.

1140143203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1140143203 is about 33766.0066190836. The cubic root of 1140143203 is about 1044.6876665535.

Adding to 1140143203 its reverse (3023410411), we get a palindrome (4163553614).

The spelling of 1140143203 in words is "one billion, one hundred forty million, one hundred forty-three thousand, two hundred three".