1228046 has 16 divisors (see below), whose sum is σ = 2054160. Its totient is φ = 547200.

The previous prime is 1228021. The next prime is 1228091. The reversal of 1228046 is 6408221.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 305 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (128385).

2^1228046 is an apocalyptic number.

1228046 is a deficient number, since it is larger than the sum of its proper divisors (826114).

1228046 is a wasteful number, since it uses less digits than its factorization.

1228046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1228046 is about 1108.1723692639. The cubic root of 1228046 is about 107.0873598725.

The spelling of 1228046 in words is "one million, two hundred twenty-eight thousand, forty-six".