606121340 has 24 divisors (see below), whose sum is σ = 1388569392. Its totient is φ = 220407680.

The previous prime is 606121339. The next prime is 606121363. The reversal of 606121340 is 43121606.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377329 + ... + 1377768.

It is an arithmetic number, because the mean of its divisors is an integer number (57857058).

Almost surely, 2^606121340 is an apocalyptic number.

It is an amenable number.

606121340 is an abundant number, since it is smaller than the sum of its proper divisors (782448052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606121340 is a wasteful number, since it uses less digits than its factorization.

606121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755117 (or 2755115 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 606121340 is about 24619.5316771055. The cubic root of 606121340 is about 846.2912648143.

Adding to 606121340 its reverse (43121606), we get a palindrome (649242946).

The spelling of 606121340 in words is "six hundred six million, one hundred twenty-one thousand, three hundred forty".