1220068 has 6 divisors (see below), whose sum is σ = 2135126. Its totient is φ = 610032.

The previous prime is 1220041. The next prime is 1220071. The reversal of 1220068 is 8600221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 760384 + 459684 = 872^2 + 678^2 .

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 as a sum of consecutive naturals, namely, 152505 + ... + 152512.

2^1220068 is an apocalyptic number.

It is an amenable number.

1220068 is a deficient number, since it is larger than the sum of its proper divisors (915058).

1220068 is a wasteful number, since it uses less digits than its factorization.

1220068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305021 (or 305019 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1220068 is about 1104.5668834435. The cubic root of 1220068 is about 106.8549582245.

Adding to 1220068 its reverse (8600221), we get a palindrome (9820289).

The spelling of 1220068 in words is "one million, two hundred twenty thousand, sixty-eight".