5120410421 has 16 divisors (see below), whose sum is σ = 6254050176. Its totient is φ = 4092135936.

The previous prime is 5120410417. The next prime is 5120410423. The reversal of 5120410421 is 1240140215.

It is a happy number.

It is not a de Polignac number, because 5120410421 - 2² = 5120410417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5120410393 and 5120410402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120410423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188336 + ... + 213801.

It is an arithmetic number, because the mean of its divisors is an integer number (390878136).

Almost surely, 2^5120410421 is an apocalyptic number.

It is an amenable number.

5120410421 is a deficient number, since it is larger than the sum of its proper divisors (1133639755).

5120410421 is a wasteful number, since it uses less digits than its factorization.

5120410421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402268.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 5120410421 is about 71557.0431264456. The cubic root of 5120410421 is about 1723.5938041929.

Adding to 5120410421 its reverse (1240140215), we get a palindrome (6360550636).

The spelling of 5120410421 in words is "five billion, one hundred twenty million, four hundred ten thousand, four hundred twenty-one".