608436121 has 2 divisors, whose sum is σ = 608436122. Its totient is φ = 608436120.

The previous prime is 608436113. The next prime is 608436139. The reversal of 608436121 is 121634806.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545456025 + 62980096 = 23355^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 608436121 - 2³ = 608436113 is a prime.

It is not a weakly prime, because it can be changed into another prime (608436151) 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 as a sum of consecutive naturals, namely, 304218060 + 304218061.

It is an arithmetic number, because the mean of its divisors is an integer number (304218061).

Almost surely, 2^608436121 is an apocalyptic number.

It is an amenable number.

608436121 is a deficient number, since it is larger than the sum of its proper divisors (1).

608436121 is an equidigital number, since it uses as much as digits as its factorization.

608436121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 608436121 is about 24666.4979476212. The cubic root of 608436121 is about 847.3672267297.

The spelling of 608436121 in words is "six hundred eight million, four hundred thirty-six thousand, one hundred twenty-one".