1241866 has 4 divisors (see below), whose sum is σ = 1862802. Its totient is φ = 620932.

The previous prime is 1241827. The next prime is 1241869. The reversal of 1241866 is 6681421.

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

It can be written as a sum of positive squares in only one way, i.e., 772641 + 469225 = 879^2 + 685^2 .

It is a super-3 number, since 3×1241866³ = 5745733332520949688, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1241869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310465 + ... + 310468.

2^1241866 is an apocalyptic number.

1241866 is a deficient number, since it is larger than the sum of its proper divisors (620936).

1241866 is an equidigital number, since it uses as much as digits as its factorization.

1241866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620935.

The product of its digits is 2304, while the sum is 28.

The square root of 1241866 is about 1114.3904163263. The cubic root of 1241866 is about 107.4875702232.

The spelling of 1241866 in words is "one million, two hundred forty-one thousand, eight hundred sixty-six".