1206544 has 20 divisors (see below), whose sum is σ = 2371996. Its totient is φ = 594432.

The previous prime is 1206539. The next prime is 1206553. The reversal of 1206544 is 4456021.

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 230400 = 988^2 + 480^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652 + ... + 1684.

2^1206544 is an apocalyptic number.

It is an amenable number.

1206544 is a deficient number, since it is larger than the sum of its proper divisors (1165452).

1206544 is a wasteful number, since it uses less digits than its factorization.

1206544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1206544 is about 1098.4279675973. The cubic root of 1206544 is about 106.4586745555.

The spelling of 1206544 in words is "one million, two hundred six thousand, five hundred forty-four".