602124021 has 6 divisors (see below), whose sum is σ = 869734710. Its totient is φ = 401416008.

The previous prime is 602124007. The next prime is 602124113. The reversal of 602124021 is 120421206.

602124021 is a `hidden beast` number, since 602 + 1 + 2 + 40 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 384708996 + 217415025 = 19614^2 + 14745^2 .

It is not a de Polignac number, because 602124021 - 2¹¹ = 602121973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 602123985 and 602124003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602124001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33451326 + ... + 33451343.

It is an arithmetic number, because the mean of its divisors is an integer number (144955785).

Almost surely, 2^602124021 is an apocalyptic number.

It is an amenable number.

602124021 is a deficient number, since it is larger than the sum of its proper divisors (267610689).

602124021 is a wasteful number, since it uses less digits than its factorization.

602124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66902675 (or 66902672 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 602124021 is about 24538.2155219160. The cubic root of 602124021 is about 844.4267535723.

Adding to 602124021 its reverse (120421206), we get a palindrome (722545227).

The spelling of 602124021 in words is "six hundred two million, one hundred twenty-four thousand, twenty-one".