1111430103 has 56 divisors (see below), whose sum is σ = 1792027392. Its totient is φ = 612312624.

The previous prime is 1111430101. The next prime is 1111430113. The reversal of 1111430103 is 3010341111.

It is not a de Polignac number, because 1111430103 - 2¹ = 1111430101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111430101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16588476 + ... + 16588542.

Almost surely, 2^1111430103 is an apocalyptic number.

1111430103 is a deficient number, since it is larger than the sum of its proper divisors (680597289).

1111430103 is an frugal number, since it uses more digits than its factorization.

1111430103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1111430103 is about 33338.1178682900. The cubic root of 1111430103 is about 1035.8432773641.

Adding to 1111430103 its reverse (3010341111), we get a palindrome (4121771214).

The spelling of 1111430103 in words is "one billion, one hundred eleven million, four hundred thirty thousand, one hundred three".