1121143435 has 4 divisors (see below), whose sum is σ = 1345372128. Its totient is φ = 896914744.

The previous prime is 1121143433. The next prime is 1121143447. The reversal of 1121143435 is 5343411211.

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 1121143435 - 2¹ = 1121143433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121143433) 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, 112114339 + ... + 112114348.

It is an arithmetic number, because the mean of its divisors is an integer number (336343032).

Almost surely, 2^1121143435 is an apocalyptic number.

1121143435 is a deficient number, since it is larger than the sum of its proper divisors (224228693).

1121143435 is an equidigital number, since it uses as much as digits as its factorization.

1121143435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224228692.

The product of its digits is 1440, while the sum is 25.

The square root of 1121143435 is about 33483.4800312034. The cubic root of 1121143435 is about 1038.8521096639.

Adding to 1121143435 its reverse (5343411211), we get a palindrome (6464554646).

The spelling of 1121143435 in words is "one billion, one hundred twenty-one million, one hundred forty-three thousand, four hundred thirty-five".