1116402003 has 12 divisors (see below), whose sum is σ = 1629206488. Its totient is φ = 736594560.

The previous prime is 1116401989. The next prime is 1116402011. The reversal of 1116402003 is 3002046111.

It is a happy number.

1116402003 is a `hidden beast` number, since 1 + 1 + 1 + 640 + 20 + 0 + 3 = 666.

It is not a de Polignac number, because 1116402003 - 2⁵ = 1116401971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116402013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638533 + ... + 640278.

Almost surely, 2^1116402003 is an apocalyptic number.

1116402003 is a deficient number, since it is larger than the sum of its proper divisors (512804485).

1116402003 is a wasteful number, since it uses less digits than its factorization.

1116402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278914 (or 1278911 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1116402003 is about 33412.6024577554. The cubic root of 1116402003 is about 1037.3855691861.

Adding to 1116402003 its reverse (3002046111), we get a palindrome (4118448114).

The spelling of 1116402003 in words is "one billion, one hundred sixteen million, four hundred two thousand, three".