4120782 has 8 divisors (see below), whose sum is σ = 8241576. Its totient is φ = 1373592.

The previous prime is 4120747. The next prime is 4120793. The reversal of 4120782 is 2870214.

It is a sphenic number, since it is the product of 3 distinct primes.

4120782 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343393 + ... + 343404.

It is an arithmetic number, because the mean of its divisors is an integer number (1030197).

Almost surely, 2^4120782 is an apocalyptic number.

4120782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4120782 is a wasteful number, since it uses less digits than its factorization.

4120782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686802.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4120782 is about 2029.9709357525. The cubic root of 4120782 is about 160.3220336962.

Adding to 4120782 its reverse (2870214), we get a palindrome (6990996).

It can be divided in two parts, 4 and 120782, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 4120782 in words is "four million, one hundred twenty thousand, seven hundred eighty-two".