500151121 has 2 divisors, whose sum is σ = 500151122. Its totient is φ = 500151120.

The previous prime is 500151107. The next prime is 500151167. The reversal of 500151121 is 121151005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457104400 + 43046721 = 21380^2 + 6561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500151121 is a prime.

It is a super-2 number, since 2×500151121² = 500302287675113282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500151095 and 500151104.

It is not a weakly prime, because it can be changed into another prime (500151191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250075560 + 250075561.

It is an arithmetic number, because the mean of its divisors is an integer number (250075561).

Almost surely, 2^500151121 is an apocalyptic number.

It is an amenable number.

500151121 is a deficient number, since it is larger than the sum of its proper divisors (1).

500151121 is an equidigital number, since it uses as much as digits as its factorization.

500151121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 500151121 is about 22364.0586879931. The cubic root of 500151121 is about 793.7804811408.

The spelling of 500151121 in words is "five hundred million, one hundred fifty-one thousand, one hundred twenty-one".