5121421024 has 12 divisors (see below), whose sum is σ = 10082797704. Its totient is φ = 2560710496.

The previous prime is 5121421013. The next prime is 5121421031. The reversal of 5121421024 is 4201241215.

It is a junction number, because it is equal to n+sod(n) for n = 5121420986 and 5121421004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80022172 + ... + 80022235.

It is an arithmetic number, because the mean of its divisors is an integer number (840233142).

Almost surely, 2^5121421024 is an apocalyptic number.

It is an amenable number.

5121421024 is a deficient number, since it is larger than the sum of its proper divisors (4961376680).

5121421024 is a wasteful number, since it uses less digits than its factorization.

5121421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160044417 (or 160044409 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 5121421024 is about 71564.1042981745. The cubic root of 5121421024 is about 1723.7071905782.

Adding to 5121421024 its reverse (4201241215), we get a palindrome (9322662239).

The spelling of 5121421024 in words is "five billion, one hundred twenty-one million, four hundred twenty-one thousand, twenty-four".