5120420 has 12 divisors (see below), whose sum is σ = 10752924. Its totient is φ = 2048160.

The previous prime is 5120419. The next prime is 5120441. The reversal of 5120420 is 240215.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 2244004 = 1696^2 + 1498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5120395 and 5120404.

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, 127991 + ... + 128030.

It is an arithmetic number, because the mean of its divisors is an integer number (896077).

Almost surely, 2^5120420 is an apocalyptic number.

It is an amenable number.

5120420 is an abundant number, since it is smaller than the sum of its proper divisors (5632504).

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

5120420 is a wasteful number, since it uses less digits than its factorization.

5120420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256030 (or 256028 counting only the distinct ones).

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

The square root of 5120420 is about 2262.8345056588. The cubic root of 5120420 is about 172.3594878996.

Adding to 5120420 its reverse (240215), we get a palindrome (5360635).

The spelling of 5120420 in words is "five million, one hundred twenty thousand, four hundred twenty".