1113530042 has 4 divisors (see below), whose sum is σ = 1670295066. Its totient is φ = 556765020.

The previous prime is 1113530003. The next prime is 1113530071. The reversal of 1113530042 is 2400353111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1081028641 + 32501401 = 32879^2 + 5701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1113529996 and 1113530023.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 278382509 + ... + 278382512.

Almost surely, 2^1113530042 is an apocalyptic number.

1113530042 is a deficient number, since it is larger than the sum of its proper divisors (556765024).

1113530042 is an equidigital number, since it uses as much as digits as its factorization.

1113530042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556765023.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1113530042 is about 33369.5975702435. The cubic root of 1113530042 is about 1036.4952419451.

Adding to 1113530042 its reverse (2400353111), we get a palindrome (3513883153).

The spelling of 1113530042 in words is "one billion, one hundred thirteen million, five hundred thirty thousand, forty-two".