602406121 has 4 divisors (see below), whose sum is σ = 602469252. Its totient is φ = 602342992.

The previous prime is 602406089. The next prime is 602406127. The reversal of 602406121 is 121604206.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 69488896 + 532917225 = 8336^2 + 23085^2 .

It is a cyclic number.

It is not a de Polignac number, because 602406121 - 2⁵ = 602406089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 602406092 and 602406101.

It is not an unprimeable number, because it can be changed into a prime (602406127) 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, 13990 + ... + 37423.

It is an arithmetic number, because the mean of its divisors is an integer number (150617313).

Almost surely, 2^602406121 is an apocalyptic number.

It is an amenable number.

602406121 is a deficient number, since it is larger than the sum of its proper divisors (63131).

602406121 is a wasteful number, since it uses less digits than its factorization.

602406121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63130.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 602406121 is about 24543.9630255589. The cubic root of 602406121 is about 844.5586065832.

The spelling of 602406121 in words is "six hundred two million, four hundred six thousand, one hundred twenty-one".