1242466 has 8 divisors (see below), whose sum is σ = 1869660. Its totient is φ = 619248.

The previous prime is 1242457. The next prime is 1242487. The reversal of 1242466 is 6642421.

It can be written as a sum of positive squares in 2 ways, for example, as 1134225 + 108241 = 1065^2 + 329^2 .

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

It is a super-2 number, since 2×1242466² = 3087443522312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21 + ... + 1576.

2^1242466 is an apocalyptic number.

1242466 is a deficient number, since it is larger than the sum of its proper divisors (627194).

1242466 is a wasteful number, since it uses less digits than its factorization.

1242466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988.

The product of its digits is 2304, while the sum is 25.

The square root of 1242466 is about 1114.6595892917. The cubic root of 1242466 is about 107.5048780912.

Adding to 1242466 its reverse (6642421), we get a palindrome (7884887).

The spelling of 1242466 in words is "one million, two hundred forty-two thousand, four hundred sixty-six".