608805121 has 8 divisors (see below), whose sum is σ = 613970280. Its totient is φ = 603650688.

The previous prime is 608805103. The next prime is 608805133. The reversal of 608805121 is 121508806.

It can be written as a sum of positive squares in 4 ways, for example, as 91470096 + 517335025 = 9564^2 + 22745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-608805121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608805151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144375 + ... + 148531.

It is an arithmetic number, because the mean of its divisors is an integer number (76746285).

Almost surely, 2^608805121 is an apocalyptic number.

It is an amenable number.

608805121 is a deficient number, since it is larger than the sum of its proper divisors (5165159).

608805121 is a wasteful number, since it uses less digits than its factorization.

608805121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 608805121 is about 24673.9765947850. The cubic root of 608805121 is about 847.5384938558.

The spelling of 608805121 in words is "six hundred eight million, eight hundred five thousand, one hundred twenty-one".