5150120121 has 12 divisors (see below), whose sum is σ = 7695582180. Its totient is φ = 3315019680.

The previous prime is 5150120111. The next prime is 5150120137. The reversal of 5150120121 is 1210210515.

It can be written as a sum of positive squares in 2 ways, for example, as 2644016400 + 2506103721 = 51420^2 + 50061^2 .

It is not a de Polignac number, because 5150120121 - 2⁶ = 5150120057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5150120094 and 5150120103.

It is not an unprimeable number, because it can be changed into a prime (5150120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9865870 + ... + 9866391.

It is an arithmetic number, because the mean of its divisors is an integer number (641298515).

Almost surely, 2^5150120121 is an apocalyptic number.

It is an amenable number.

5150120121 is a deficient number, since it is larger than the sum of its proper divisors (2545462059).

5150120121 is a wasteful number, since it uses less digits than its factorization.

5150120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19732296 (or 19732293 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 5150120121 is about 71764.3373898206. The cubic root of 5150120121 is about 1726.9209290290.

Adding to 5150120121 its reverse (1210210515), we get a palindrome (6360330636).

The spelling of 5150120121 in words is "five billion, one hundred fifty million, one hundred twenty thousand, one hundred twenty-one".