1113022043 has 16 divisors (see below), whose sum is σ = 1295274240. Its totient is φ = 936640800.

The previous prime is 1113022013. The next prime is 1113022081. The reversal of 1113022043 is 3402203111.

It is a cyclic number.

It is not a de Polignac number, because 1113022043 - 2⁸ = 1113021787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113022013) 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 15 ways as a sum of consecutive naturals, for example, 262208 + ... + 266418.

It is an arithmetic number, because the mean of its divisors is an integer number (80954640).

Almost surely, 2^1113022043 is an apocalyptic number.

1113022043 is a deficient number, since it is larger than the sum of its proper divisors (182252197).

1113022043 is an equidigital number, since it uses as much as digits as its factorization.

1113022043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1113022043 is about 33361.9849978984. The cubic root of 1113022043 is about 1036.3375995476.

Adding to 1113022043 its reverse (3402203111), we get a palindrome (4515225154).

The spelling of 1113022043 in words is "one billion, one hundred thirteen million, twenty-two thousand, forty-three".