1121143434 has 16 divisors (see below), whose sum is σ = 2243297280. Its totient is φ = 373546080.

The previous prime is 1121143433. The next prime is 1121143447. The reversal of 1121143434 is 4343411211.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121143433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27274 + ... + 54645.

It is an arithmetic number, because the mean of its divisors is an integer number (140206080).

Almost surely, 2^1121143434 is an apocalyptic number.

1121143434 is an abundant number, since it is smaller than the sum of its proper divisors (1122153846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121143434 is a wasteful number, since it uses less digits than its factorization.

1121143434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84205.

The product of its digits is 1152, while the sum is 24.

The square root of 1121143434 is about 33483.4800162707. The cubic root of 1121143434 is about 1038.8521093551.

Adding to 1121143434 its reverse (4343411211), we get a palindrome (5464554645).

It can be divided in two parts, 11211 and 43434, that added together give a palindrome (54645).

The spelling of 1121143434 in words is "one billion, one hundred twenty-one million, one hundred forty-three thousand, four hundred thirty-four".