1142404203 has 16 divisors (see below), whose sum is σ = 1627310720. Its totient is φ = 710747136.

The previous prime is 1142404171. The next prime is 1142404213. The reversal of 1142404203 is 3024042411.

It is not a de Polignac number, because 1142404203 - 2⁵ = 1142404171 is a prime.

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 1142404203.

It is not an unprimeable number, because it can be changed into a prime (1142404213) 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, 145750 + ... + 153387.

It is an arithmetic number, because the mean of its divisors is an integer number (101706920).

Almost surely, 2^1142404203 is an apocalyptic number.

1142404203 is a deficient number, since it is larger than the sum of its proper divisors (484906517).

1142404203 is a wasteful number, since it uses less digits than its factorization.

1142404203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299226.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1142404203 is about 33799.4704544317. The cubic root of 1142404203 is about 1045.3777784482.

Adding to 1142404203 its reverse (3024042411), we get a palindrome (4166446614).

The spelling of 1142404203 in words is "one billion, one hundred forty-two million, four hundred four thousand, two hundred three".