1241666 has 8 divisors (see below), whose sum is σ = 1867404. Its totient is φ = 619200.

The previous prime is 1241659. The next prime is 1241677. The reversal of 1241666 is 6661421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 970225 + 271441 = 985^2 + 521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 1718.

2^1241666 is an apocalyptic number.

1241666 is a deficient number, since it is larger than the sum of its proper divisors (625738).

1241666 is a wasteful number, since it uses less digits than its factorization.

1241666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its digits is 1728, while the sum is 26.

The square root of 1241666 is about 1114.3006775552. The cubic root of 1241666 is about 107.4817996950.

The spelling of 1241666 in words is "one million, two hundred forty-one thousand, six hundred sixty-six".