606121005 has 16 divisors (see below), whose sum is σ = 1108335744. Its totient is φ = 277083840.

The previous prime is 606120997. The next prime is 606121007. The reversal of 606121005 is 500121606.

It is a happy number.

It is not a de Polignac number, because 606121005 - 2³ = 606120997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886186 + ... + 2886395.

It is an arithmetic number, because the mean of its divisors is an integer number (69270984).

Almost surely, 2^606121005 is an apocalyptic number.

It is an amenable number.

606121005 is a deficient number, since it is larger than the sum of its proper divisors (502214739).

606121005 is a wasteful number, since it uses less digits than its factorization.

606121005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772596.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 606121005 is about 24619.5248735633. The cubic root of 606121005 is about 846.2911089008.

The spelling of 606121005 in words is "six hundred six million, one hundred twenty-one thousand, five".