6124945 has 16 divisors (see below), whose sum is σ = 7756560. Its totient is φ = 4635904.

The previous prime is 6124933. The next prime is 6124961. The reversal of 6124945 is 5494216.

It can be written as a sum of positive squares in 8 ways, for example, as 14161 + 6110784 = 119^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 6124945 - 2⁷ = 6124817 is a prime.

6124945 is a lucky 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 15 ways as a sum of consecutive naturals, for example, 7287 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (484785).

Almost surely, 2^6124945 is an apocalyptic number.

It is an amenable number.

6124945 is a deficient number, since it is larger than the sum of its proper divisors (1631615).

6124945 is a wasteful number, since it uses less digits than its factorization.

6124945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

The product of its digits is 8640, while the sum is 31.

The square root of 6124945 is about 2474.8626224500. The cubic root of 6124945 is about 182.9647378483.

The spelling of 6124945 in words is "six million, one hundred twenty-four thousand, nine hundred forty-five".