6120605 has 4 divisors (see below), whose sum is σ = 7344732. Its totient is φ = 4896480.

The previous prime is 6120589. The next prime is 6120607. The reversal of 6120605 is 5060216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 4897369 = 1106^2 + 2213^2 .

It is not a de Polignac number, because 6120605 - 2⁴ = 6120589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6120607) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 612056 + ... + 612065.

It is an arithmetic number, because the mean of its divisors is an integer number (1836183).

Almost surely, 2^6120605 is an apocalyptic number.

It is an amenable number.

6120605 is a deficient number, since it is larger than the sum of its proper divisors (1224127).

6120605 is a wasteful number, since it uses less digits than its factorization.

6120605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224126.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6120605 is about 2473.9856507264. The cubic root of 6120605 is about 182.9215127206.

It can be divided in two parts, 61 and 20605, that multiplied together give a triangular number (1256905 = T₁₅₈₅).

The spelling of 6120605 in words is "six million, one hundred twenty thousand, six hundred five".