1121340003 has 16 divisors (see below), whose sum is σ = 1736722176. Its totient is φ = 630260640.

The previous prime is 1121339993. The next prime is 1121340041. The reversal of 1121340003 is 3000431211.

It is not a de Polignac number, because 1121340003 - 2⁴ = 1121339987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121340403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436401 + ... + 438962.

It is an arithmetic number, because the mean of its divisors is an integer number (108545136).

Almost surely, 2^1121340003 is an apocalyptic number.

1121340003 is a deficient number, since it is larger than the sum of its proper divisors (615382173).

1121340003 is an equidigital number, since it uses as much as digits as its factorization.

1121340003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875434.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1121340003 is about 33486.4152007945. The cubic root of 1121340003 is about 1038.9128194542.

Adding to 1121340003 its reverse (3000431211), we get a palindrome (4121771214).

The spelling of 1121340003 in words is "one billion, one hundred twenty-one million, three hundred forty thousand, three".