1226518 has 8 divisors (see below), whose sum is σ = 1845000. Its totient is φ = 611520.

The previous prime is 1226503. The next prime is 1226531. The reversal of 1226518 is 8156221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1226492 and 1226501.

It is a congruent number.

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, 358 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (230625).

2^1226518 is an apocalyptic number.

1226518 is a deficient number, since it is larger than the sum of its proper divisors (618482).

1226518 is a wasteful number, since it uses less digits than its factorization.

1226518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742.

The product of its digits is 960, while the sum is 25.

The square root of 1226518 is about 1107.4827312423. The cubic root of 1226518 is about 107.0429268469.

The spelling of 1226518 in words is "one million, two hundred twenty-six thousand, five hundred eighteen".