1123103104 has 64 divisors (see below), whose sum is σ = 2277007200. Its totient is φ = 551710720.

The previous prime is 1123103099. The next prime is 1123103131. The reversal of 1123103104 is 4013013211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1123103104² = 2522721164428869632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3542754 + ... + 3543070.

Almost surely, 2^1123103104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123103104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138503600).

1123103104 is an abundant number, since it is smaller than the sum of its proper divisors (1153904096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123103104 is an equidigital number, since it uses as much as digits as its factorization.

1123103104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1123103104 is about 33512.7304766413. The cubic root of 1123103104 is about 1039.4570341306.

Adding to 1123103104 its reverse (4013013211), we get a palindrome (5136116315).

The spelling of 1123103104 in words is "one billion, one hundred twenty-three million, one hundred three thousand, one hundred four".