1243106 has 8 divisors (see below), whose sum is σ = 1869804. Its totient is φ = 619840.

The previous prime is 1243097. The next prime is 1243111. The reversal of 1243106 is 6013421.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 13225 = 1109^2 + 115^2 .

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 446 + ... + 1638.

2^1243106 is an apocalyptic number.

1243106 is a deficient number, since it is larger than the sum of its proper divisors (626698).

1243106 is a wasteful number, since it uses less digits than its factorization.

1243106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1243106 is about 1114.9466354943. The cubic root of 1243106 is about 107.5233336765.

Adding to 1243106 its reverse (6013421), we get a palindrome (7256527).

The spelling of 1243106 in words is "one million, two hundred forty-three thousand, one hundred six".