1123020103 has 8 divisors (see below), whose sum is σ = 1182220128. Its totient is φ = 1064684544.

The previous prime is 1123020097. The next prime is 1123020109. The reversal of 1123020103 is 3010203211.

It is an interprime number because it is at equal distance from previous prime (1123020097) and next prime (1123020109).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123020103 - 2²⁹ = 586149191 is a prime.

It is a super-2 number, since 2×1123020103² = 2522348303484261218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123020109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213450 + ... + 218647.

It is an arithmetic number, because the mean of its divisors is an integer number (147777516).

Almost surely, 2^1123020103 is an apocalyptic number.

1123020103 is a deficient number, since it is larger than the sum of its proper divisors (59200025).

1123020103 is a wasteful number, since it uses less digits than its factorization.

1123020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432233.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1123020103 is about 33511.4921034561. The cubic root of 1123020103 is about 1039.4314270726.

Adding to 1123020103 its reverse (3010203211), we get a palindrome (4133223314).

The spelling of 1123020103 in words is "one billion, one hundred twenty-three million, twenty thousand, one hundred three".