1130003123 has 4 divisors (see below), whose sum is σ = 1144307040. Its totient is φ = 1115699208.

The previous prime is 1130003113. The next prime is 1130003129. The reversal of 1130003123 is 3213000311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213000311 = 5227 ⋅614693.

It is a cyclic number.

It is not a de Polignac number, because 1130003123 - 2⁶ = 1130003059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130003098 and 1130003107.

It is not an unprimeable number, because it can be changed into a prime (1130003129) 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 3 ways as a sum of consecutive naturals, for example, 7151840 + ... + 7151997.

It is an arithmetic number, because the mean of its divisors is an integer number (286076760).

Almost surely, 2^1130003123 is an apocalyptic number.

1130003123 is a deficient number, since it is larger than the sum of its proper divisors (14303917).

1130003123 is an equidigital number, since it uses as much as digits as its factorization.

1130003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303916.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1130003123 is about 33615.5190797346. The cubic root of 1130003123 is about 1041.5813968501.

Adding to 1130003123 its reverse (3213000311), we get a palindrome (4343003434).

The spelling of 1130003123 in words is "one billion, one hundred thirty million, three thousand, one hundred twenty-three".