605416121 has 4 divisors (see below), whose sum is σ = 641028852. Its totient is φ = 569803392.

The previous prime is 605416117. The next prime is 605416129. The reversal of 605416121 is 121614506.

605416121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 521437225 + 83978896 = 22835^2 + 9164^2 .

It is a cyclic number.

It is not a de Polignac number, because 605416121 - 2² = 605416117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605416129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17806340 + ... + 17806373.

It is an arithmetic number, because the mean of its divisors is an integer number (160257213).

Almost surely, 2^605416121 is an apocalyptic number.

It is an amenable number.

605416121 is a deficient number, since it is larger than the sum of its proper divisors (35612731).

605416121 is a wasteful number, since it uses less digits than its factorization.

605416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35612730.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 605416121 is about 24605.2051606972. The cubic root of 605416121 is about 845.9629189559.

The spelling of 605416121 in words is "six hundred five million, four hundred sixteen thousand, one hundred twenty-one".