4120780 has 12 divisors (see below), whose sum is σ = 8653680. Its totient is φ = 1648304.

The previous prime is 4120747. The next prime is 4120793. The reversal of 4120780 is 870214.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103000 + ... + 103039.

It is an arithmetic number, because the mean of its divisors is an integer number (721140).

Almost surely, 2^4120780 is an apocalyptic number.

It is an amenable number.

4120780 is an abundant number, since it is smaller than the sum of its proper divisors (4532900).

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

4120780 is a wasteful number, since it uses less digits than its factorization.

4120780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206048 (or 206046 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 4120780 is about 2029.9704431346. The cubic root of 4120780 is about 160.3220077590.

Adding to 4120780 its reverse (870214), we get a palindrome (4990994).

It can be divided in two parts, 4120 and 780, that added together give a square (4900 = 70²).

The spelling of 4120780 in words is "four million, one hundred twenty thousand, seven hundred eighty".