1123440435 has 160 divisors (see below), whose sum is σ = 2286493440. Its totient is φ = 524040192.

The previous prime is 1123440433. The next prime is 1123440449. The reversal of 1123440435 is 5340443211.

It is a happy number.

It is not a de Polignac number, because 1123440435 - 2¹ = 1123440433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1123440399 and 1123440408.

It is not an unprimeable number, because it can be changed into a prime (1123440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14220726 + ... + 14220804.

It is an arithmetic number, because the mean of its divisors is an integer number (14290584).

Almost surely, 2^1123440435 is an apocalyptic number.

1123440435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1123440435 is an abundant number, since it is smaller than the sum of its proper divisors (1163053005).

1123440435 is a wasteful number, since it uses less digits than its factorization.

1123440435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1123440435 is about 33517.7629772633. The cubic root of 1123440435 is about 1039.5610928406.

Adding to 1123440435 its reverse (5340443211), we get a palindrome (6463883646).

The spelling of 1123440435 in words is "one billion, one hundred twenty-three million, four hundred forty thousand, four hundred thirty-five".