4124520 has 160 divisors (see below), whose sum is σ = 14810400. Its totient is φ = 1026432.

The previous prime is 4124509. The next prime is 4124563. The reversal of 4124520 is 254214.

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 = 4124493 and 4124502.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61527 + ... + 61593.

It is an arithmetic number, because the mean of its divisors is an integer number (92565).

Almost surely, 2^4124520 is an apocalyptic number.

4124520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4124520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7405200).

4124520 is an abundant number, since it is smaller than the sum of its proper divisors (10685880).

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

4124520 is a wasteful number, since it uses less digits than its factorization.

4124520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4124520 is about 2030.8914298898. The cubic root of 4124520 is about 160.3704955858.

Adding to 4124520 its reverse (254214), we get a palindrome (4378734).

The spelling of 4124520 in words is "four million, one hundred twenty-four thousand, five hundred twenty".