1004262120 has 48 divisors (see below), whose sum is σ = 3263853060. Its totient is φ = 267803136.

The previous prime is 1004262101. The next prime is 1004262121. The reversal of 1004262120 is 212624001.

1004262120 is a `hidden beast` number, since 1 + 0 + 0 + 42 + 621 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 978313284 + 25948836 = 31278^2 + 5094^2 .

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 = 1004262093 and 1004262102.

It is not an unprimeable number, because it can be changed into a prime (1004262121) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1394449 + ... + 1395168.

Almost surely, 2^1004262120 is an apocalyptic number.

1004262120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004262120 is an abundant number, since it is smaller than the sum of its proper divisors (2259590940).

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

1004262120 is a wasteful number, since it uses less digits than its factorization.

1004262120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789634 (or 2789627 counting only the distinct ones).

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

The square root of 1004262120 is about 31690.0949825020. The cubic root of 1004262120 is about 1001.4186930250.

Adding to 1004262120 its reverse (212624001), we get a palindrome (1216886121).

The spelling of 1004262120 in words is "one billion, four million, two hundred sixty-two thousand, one hundred twenty".