1220046 has 8 divisors (see below), whose sum is σ = 2440104. Its totient is φ = 406680.

The previous prime is 1220041. The next prime is 1220071. The reversal of 1220046 is 6400221.

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

1220046 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101665 + ... + 101676.

It is an arithmetic number, because the mean of its divisors is an integer number (305013).

2^1220046 is an apocalyptic number.

1220046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220046 is a wasteful number, since it uses less digits than its factorization.

1220046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203346.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1220046 is about 1104.5569247440. The cubic root of 1220046 is about 106.8543159589.

Adding to 1220046 its reverse (6400221), we get a palindrome (7620267).

It can be divided in two parts, 12200 and 46, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 1220046 in words is "one million, two hundred twenty thousand, forty-six".