4120520 has 32 divisors (see below), whose sum is σ = 9573120. Its totient is φ = 1594560.

The previous prime is 4120517. The next prime is 4120547. The reversal of 4120520 is 250214.

It is a junction number, because it is equal to n+sod(n) for n = 4120495 and 4120504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (299160).

Almost surely, 2^4120520 is an apocalyptic number.

4120520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4120520 is an abundant number, since it is smaller than the sum of its proper divisors (5452600).

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

4120520 is a wasteful number, since it uses less digits than its factorization.

4120520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4120520 is about 2029.9064017831. The cubic root of 4120520 is about 160.3186358570.

Adding to 4120520 its reverse (250214), we get a palindrome (4370734).

The spelling of 4120520 in words is "four million, one hundred twenty thousand, five hundred twenty".