1103012424 has 128 divisors (see below), whose sum is σ = 3133440000. Its totient is φ = 359422272.

The previous prime is 1103012387. The next prime is 1103012429. The reversal of 1103012424 is 4242103011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1103012397 and 1103012406.

It is not an unprimeable number, because it can be changed into a prime (1103012429) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2879737 + ... + 2880119.

It is an arithmetic number, because the mean of its divisors is an integer number (24480000).

Almost surely, 2^1103012424 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 1103012424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566720000).

1103012424 is an abundant number, since it is smaller than the sum of its proper divisors (2030427576).

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

1103012424 is a wasteful number, since it uses less digits than its factorization.

1103012424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1103012424 is about 33211.6308542655. The cubic root of 1103012424 is about 1033.2215794047.

Adding to 1103012424 its reverse (4242103011), we get a palindrome (5345115435).

The spelling of 1103012424 in words is "one billion, one hundred three million, twelve thousand, four hundred twenty-four".