1123064404 has 216 divisors, whose sum is σ = 2780427776. Its totient is φ = 387763200.

The previous prime is 1123064381. The next prime is 1123064417. The reversal of 1123064404 is 4044603211.

It is a super-2 number, since 2×1123064404² = 2522547311063750432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30353074 + ... + 30353110.

Almost surely, 2^1123064404 is an apocalyptic number.

1123064404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123064404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390213888).

1123064404 is an abundant number, since it is smaller than the sum of its proper divisors (1657363372).

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

1123064404 is a wasteful number, since it uses less digits than its factorization.

1123064404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1123064404 is about 33512.1530791443. The cubic root of 1123064404 is about 1039.4450947550.

Adding to 1123064404 its reverse (4044603211), we get a palindrome (5167667615).

The spelling of 1123064404 in words is "one billion, one hundred twenty-three million, sixty-four thousand, four hundred four".