605121201 has 6 divisors (see below), whose sum is σ = 874063970. Its totient is φ = 403414128.

The previous prime is 605121197. The next prime is 605121227. The reversal of 605121201 is 102121506.

It can be written as a sum of positive squares in only one way, i.e., 407999601 + 197121600 = 20199^2 + 14040^2 .

It is not a de Polignac number, because 605121201 - 2² = 605121197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605121301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33617836 + ... + 33617853.

Almost surely, 2^605121201 is an apocalyptic number.

It is an amenable number.

605121201 is a deficient number, since it is larger than the sum of its proper divisors (268942769).

605121201 is a wasteful number, since it uses less digits than its factorization.

605121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67235695 (or 67235692 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 605121201 is about 24599.2113897987. The cubic root of 605121201 is about 845.8255303078.

Adding to 605121201 its reverse (102121506), we get a palindrome (707242707).

The spelling of 605121201 in words is "six hundred five million, one hundred twenty-one thousand, two hundred one".