1110020243 has 4 divisors (see below), whose sum is σ = 1112596128. Its totient is φ = 1107444360.

The previous prime is 1110020237. The next prime is 1110020251. The reversal of 1110020243 is 3420200111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420200111 = 10847 ⋅315313.

It is a cyclic number.

It is not a de Polignac number, because 1110020243 - 2²⁴ = 1093243027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287296 + ... + 1288157.

It is an arithmetic number, because the mean of its divisors is an integer number (278149032).

Almost surely, 2^1110020243 is an apocalyptic number.

1110020243 is a deficient number, since it is larger than the sum of its proper divisors (2575885).

1110020243 is an equidigital number, since it uses as much as digits as its factorization.

1110020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575884.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1110020243 is about 33316.9662934668. The cubic root of 1110020243 is about 1035.4050995777.

Adding to 1110020243 its reverse (3420200111), we get a palindrome (4530220354).

The spelling of 1110020243 in words is "one billion, one hundred ten million, twenty thousand, two hundred forty-three".