500121153 has 24 divisors (see below), whose sum is σ = 854068800. Its totient is φ = 275927904.

The previous prime is 500121151. The next prime is 500121161. The reversal of 500121153 is 351121005.

500121153 is a `hidden beast` number, since 500 + 12 + 1 + 153 = 666.

It is not a de Polignac number, because 500121153 - 2¹ = 500121151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500121151) 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 23 ways as a sum of consecutive naturals, for example, 135043 + ... + 138696.

It is an arithmetic number, because the mean of its divisors is an integer number (35586200).

Almost surely, 2^500121153 is an apocalyptic number.

It is an amenable number.

500121153 is a deficient number, since it is larger than the sum of its proper divisors (353947647).

500121153 is a wasteful number, since it uses less digits than its factorization.

500121153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273781 (or 273778 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 500121153 is about 22363.3886743490. The cubic root of 500121153 is about 793.7646269402.

Adding to 500121153 its reverse (351121005), we get a palindrome (851242158).

The spelling of 500121153 in words is "five hundred million, one hundred twenty-one thousand, one hundred fifty-three".