1113020603 has 4 divisors (see below), whose sum is σ = 1118848128. Its totient is φ = 1107193080.

The previous prime is 1113020599. The next prime is 1113020611. The reversal of 1113020603 is 3060203111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113020603 - 2² = 1113020599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113020633) 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, 2913476 + ... + 2913857.

It is an arithmetic number, because the mean of its divisors is an integer number (279712032).

Almost surely, 2^1113020603 is an apocalyptic number.

1113020603 is a deficient number, since it is larger than the sum of its proper divisors (5827525).

1113020603 is an equidigital number, since it uses as much as digits as its factorization.

1113020603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827524.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1113020603 is about 33361.9634164418. The cubic root of 1113020603 is about 1036.3371526182.

Adding to 1113020603 its reverse (3060203111), we get a palindrome (4173223714).

The spelling of 1113020603 in words is "one billion, one hundred thirteen million, twenty thousand, six hundred three".