1123040404 has 6 divisors (see below), whose sum is σ = 1965320714. Its totient is φ = 561520200.

The previous prime is 1123040377. The next prime is 1123040411. The reversal of 1123040404 is 4040403211.

It can be written as a sum of positive squares in only one way, i.e., 873084304 + 249956100 = 29548^2 + 15810^2 .

It is a super-2 number, since 2×1123040404² = 2522439498032966432, 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 as a sum of consecutive naturals, namely, 140380047 + ... + 140380054.

Almost surely, 2^1123040404 is an apocalyptic number.

It is an amenable number.

1123040404 is a deficient number, since it is larger than the sum of its proper divisors (842280310).

1123040404 is a wasteful number, since it uses less digits than its factorization.

1123040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280760105 (or 280760103 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1123040404 is about 33511.7949981794. The cubic root of 1123040404 is about 1039.4376903533.

Adding to 1123040404 its reverse (4040403211), we get a palindrome (5163443615).

The spelling of 1123040404 in words is "one billion, one hundred twenty-three million, forty thousand, four hundred four".