1123330042 has 16 divisors (see below), whose sum is σ = 1691361000. Its totient is φ = 559548160.

The previous prime is 1123330037. The next prime is 1123330049. The reversal of 1123330042 is 2400333211.

It can be written as a sum of positive squares in 4 ways, for example, as 1038708441 + 84621601 = 32229^2 + 9199^2 .

It is not an unprimeable number, because it can be changed into a prime (1123330049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070334 + ... + 1071382.

Almost surely, 2^1123330042 is an apocalyptic number.

1123330042 is a deficient number, since it is larger than the sum of its proper divisors (568030958).

1123330042 is a wasteful number, since it uses less digits than its factorization.

1123330042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1123330042 is about 33516.1161532777. The cubic root of 1123330042 is about 1039.5270414798.

Adding to 1123330042 its reverse (2400333211), we get a palindrome (3523663253).

The spelling of 1123330042 in words is "one billion, one hundred twenty-three million, three hundred thirty thousand, forty-two".