1143203134 has 16 divisors (see below), whose sum is σ = 1853845200. Its totient is φ = 526881024.

The previous prime is 1143203129. The next prime is 1143203147. The reversal of 1143203134 is 4313023411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405139 + ... + 407950.

It is an arithmetic number, because the mean of its divisors is an integer number (115865325).

Almost surely, 2^1143203134 is an apocalyptic number.

1143203134 is a deficient number, since it is larger than the sum of its proper divisors (710642066).

1143203134 is a wasteful number, since it uses less digits than its factorization.

1143203134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813147.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1143203134 is about 33811.2870799087. The cubic root of 1143203134 is about 1045.6214137844.

Adding to 1143203134 its reverse (4313023411), we get a palindrome (5456226545).

The spelling of 1143203134 in words is "one billion, one hundred forty-three million, two hundred three thousand, one hundred thirty-four".