605102121 has 24 divisors (see below), whose sum is σ = 952625856. Its totient is φ = 367878240.

The previous prime is 605102087. The next prime is 605102137. The reversal of 605102121 is 121201506.

It is not a de Polignac number, because 605102121 - 2¹¹ = 605100073 is a prime.

It is a super-2 number, since 2×605102121² = 732297153677397282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 605102094 and 605102103.

It is not an unprimeable number, because it can be changed into a prime (605102191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21445 + ... + 40866.

It is an arithmetic number, because the mean of its divisors is an integer number (39692744).

Almost surely, 2^605102121 is an apocalyptic number.

It is an amenable number.

605102121 is a deficient number, since it is larger than the sum of its proper divisors (347523735).

605102121 is a wasteful number, since it uses less digits than its factorization.

605102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62413 (or 62410 counting only the distinct ones).

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

The square root of 605102121 is about 24598.8235694311. The cubic root of 605102121 is about 845.8166403418.

Adding to 605102121 its reverse (121201506), we get a palindrome (726303627).

The spelling of 605102121 in words is "six hundred five million, one hundred two thousand, one hundred twenty-one".