1220846 has 16 divisors (see below), whose sum is σ = 2014848. Its totient is φ = 550200.

The previous prime is 1220839. The next prime is 1220893. The reversal of 1220846 is 6480221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4511 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (125928).

2^1220846 is an apocalyptic number.

1220846 is a deficient number, since it is larger than the sum of its proper divisors (794002).

1220846 is a wasteful number, since it uses less digits than its factorization.

1220846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

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

The square root of 1220846 is about 1104.9190015562. The cubic root of 1220846 is about 106.8776661100.

The spelling of 1220846 in words is "one million, two hundred twenty thousand, eight hundred forty-six".