1113024420 has 36 divisors (see below), whose sum is σ = 3376174620. Its totient is φ = 296806464.

The previous prime is 1113024413. The next prime is 1113024461. The reversal of 1113024420 is 244203111.

It can be written as a sum of positive squares in 2 ways, for example, as 543915684 + 569108736 = 23322^2 + 23856^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1113024393 and 1113024402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3091555 + ... + 3091914.

Almost surely, 2^1113024420 is an apocalyptic number.

1113024420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113024420 is an abundant number, since it is smaller than the sum of its proper divisors (2263150200).

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

1113024420 is a wasteful number, since it uses less digits than its factorization.

1113024420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183484 (or 6183479 counting only the distinct ones).

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

The square root of 1113024420 is about 33362.0206222585. The cubic root of 1113024420 is about 1036.3383372906.

Adding to 1113024420 its reverse (244203111), we get a palindrome (1357227531).

The spelling of 1113024420 in words is "one billion, one hundred thirteen million, twenty-four thousand, four hundred twenty".