1100042424 has 64 divisors (see below), whose sum is σ = 3290733600. Its totient is φ = 338473728.

The previous prime is 1100042417. The next prime is 1100042453. The reversal of 1100042424 is 4242400011.

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 = 1100042397 and 1100042406.

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 15 ways as a sum of consecutive naturals, for example, 193069 + ... + 198684.

Almost surely, 2^1100042424 is an apocalyptic number.

It is an amenable number.

1100042424 is an abundant number, since it is smaller than the sum of its proper divisors (2190691176).

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

1100042424 is a wasteful number, since it uses less digits than its factorization.

1100042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391781 (or 391771 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1100042424 is about 33166.8874632517. The cubic root of 1100042424 is about 1032.2933860287.

Adding to 1100042424 its reverse (4242400011), we get a palindrome (5342442435).

The spelling of 1100042424 in words is "one billion, one hundred million, forty-two thousand, four hundred twenty-four".