1123040424 has 32 divisors (see below), whose sum is σ = 3062838240. Its totient is φ = 340315200.

The previous prime is 1123040411. The next prime is 1123040437. The reversal of 1123040424 is 4240403211.

It is an interprime number because it is at equal distance from previous prime (1123040411) and next prime (1123040437).

It is a super-2 number, since 2×1123040424² = 2522439587876199552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123040424.

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 7 ways as a sum of consecutive naturals, for example, 2126707 + ... + 2127234.

It is an arithmetic number, because the mean of its divisors is an integer number (95713695).

Almost surely, 2^1123040424 is an apocalyptic number.

It is an amenable number.

1123040424 is an abundant number, since it is smaller than the sum of its proper divisors (1939797816).

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

1123040424 is a wasteful number, since it uses less digits than its factorization.

1123040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253961 (or 4253957 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1123040424 is about 33511.7952965818. The cubic root of 1123040424 is about 1039.4376965237.

Adding to 1123040424 its reverse (4240403211), we get a palindrome (5363443635).

The spelling of 1123040424 in words is "one billion, one hundred twenty-three million, forty thousand, four hundred twenty-four".