1004224120 has 16 divisors (see below), whose sum is σ = 2259504360. Its totient is φ = 401689632.

The previous prime is 1004224103. The next prime is 1004224121. The reversal of 1004224120 is 214224001.

It is a junction number, because it is equal to n+sod(n) for n = 1004224094 and 1004224103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004224121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12552762 + ... + 12552841.

Almost surely, 2^1004224120 is an apocalyptic number.

1004224120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004224120 is an abundant number, since it is smaller than the sum of its proper divisors (1255280240).

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

1004224120 is a wasteful number, since it uses less digits than its factorization.

1004224120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25105614 (or 25105610 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1004224120 is about 31689.4954204071. The cubic root of 1004224120 is about 1001.4060620629.

Adding to 1004224120 its reverse (214224001), we get a palindrome (1218448121).

The spelling of 1004224120 in words is "one billion, four million, two hundred twenty-four thousand, one hundred twenty".