6120645 has 32 divisors (see below), whose sum is σ = 10374912. Its totient is φ = 3075072.

The previous prime is 6120637. The next prime is 6120689. The reversal of 6120645 is 5460216.

It is not a de Polignac number, because 6120645 - 2³ = 6120637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38907 + ... + 39063.

It is an arithmetic number, because the mean of its divisors is an integer number (324216).

Almost surely, 2^6120645 is an apocalyptic number.

It is an amenable number.

6120645 is a deficient number, since it is larger than the sum of its proper divisors (4254267).

6120645 is a wasteful number, since it uses less digits than its factorization.

6120645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6120645 is about 2473.9937348344. The cubic root of 6120645 is about 182.9219112022.

It can be divided in two parts, 61 and 20645, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 6120645 in words is "six million, one hundred twenty thousand, six hundred forty-five".