1120013203 has 4 divisors (see below), whose sum is σ = 1126270440. Its totient is φ = 1113755968.

The previous prime is 1120013201. The next prime is 1120013239. The reversal of 1120013203 is 3023100211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3023100211 = 107 ⋅28253273.

It is a cyclic number.

It is not a de Polignac number, because 1120013203 - 2¹ = 1120013201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120013201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128350 + ... + 3128707.

It is an arithmetic number, because the mean of its divisors is an integer number (281567610).

Almost surely, 2^1120013203 is an apocalyptic number.

1120013203 is a deficient number, since it is larger than the sum of its proper divisors (6257237).

1120013203 is an equidigital number, since it uses as much as digits as its factorization.

1120013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257236.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1120013203 is about 33466.5983183233. The cubic root of 1120013203 is about 1038.5029010982.

Adding to 1120013203 its reverse (3023100211), we get a palindrome (4143113414).

The spelling of 1120013203 in words is "one billion, one hundred twenty million, thirteen thousand, two hundred three".