1143034111 has 4 divisors (see below), whose sum is σ = 1143149800. Its totient is φ = 1142918424.

The previous prime is 1143034103. The next prime is 1143034133. The reversal of 1143034111 is 1114303411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143034111 - 2³ = 1143034103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143034141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41481 + ... + 63298.

It is an arithmetic number, because the mean of its divisors is an integer number (285787450).

Almost surely, 2^1143034111 is an apocalyptic number.

1143034111 is a deficient number, since it is larger than the sum of its proper divisors (115689).

1143034111 is a wasteful number, since it uses less digits than its factorization.

1143034111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115688.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1143034111 is about 33808.7874819550. The cubic root of 1143034111 is about 1045.5698794089.

Adding to 1143034111 its reverse (1114303411), we get a palindrome (2257337522).

The spelling of 1143034111 in words is "one billion, one hundred forty-three million, thirty-four thousand, one hundred eleven".