1005244120 has 32 divisors (see below), whose sum is σ = 2322932400. Its totient is φ = 391229568.

The previous prime is 1005244103. The next prime is 1005244133. The reversal of 1005244120 is 214425001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338130 + ... + 341089.

Almost surely, 2^1005244120 is an apocalyptic number.

1005244120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005244120 is an abundant number, since it is smaller than the sum of its proper divisors (1317688280).

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

1005244120 is a wasteful number, since it uses less digits than its factorization.

1005244120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679267 (or 679263 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1005244120 is about 31705.5849969686. The cubic root of 1005244120 is about 1001.7449932275.

Adding to 1005244120 its reverse (214425001), we get a palindrome (1219669121).

The spelling of 1005244120 in words is "one billion, five million, two hundred forty-four thousand, one hundred twenty".