1121134343 has 16 divisors (see below), whose sum is σ = 1379669760. Its totient is φ = 889109376.

The previous prime is 1121134319. The next prime is 1121134351. The reversal of 1121134343 is 3434311211.

It is a cyclic number.

It is not a de Polignac number, because 1121134343 - 2⁶ = 1121134279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121134303) 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, 72821 + ... + 86862.

It is an arithmetic number, because the mean of its divisors is an integer number (86229360).

Almost surely, 2^1121134343 is an apocalyptic number.

1121134343 is a deficient number, since it is larger than the sum of its proper divisors (258535417).

1121134343 is a wasteful number, since it uses less digits than its factorization.

1121134343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159766.

The product of its digits is 864, while the sum is 23.

The square root of 1121134343 is about 33483.3442624837. The cubic root of 1121134343 is about 1038.8493014390.

Adding to 1121134343 its reverse (3434311211), we get a palindrome (4555445554).

It can be divided in two parts, 11211 and 34343, that added together give a palindrome (45554).

The spelling of 1121134343 in words is "one billion, one hundred twenty-one million, one hundred thirty-four thousand, three hundred forty-three".