1220067 has 12 divisors (see below), whose sum is σ = 1819584. Its totient is φ = 786960.

The previous prime is 1220041. The next prime is 1220071. The reversal of 1220067 is 7600221.

It is a happy number.

It is not a de Polignac number, because 1220067 - 2⁸ = 1219811 is a prime.

1220067 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1220027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1908 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^1220067 is an apocalyptic number.

1220067 is a deficient number, since it is larger than the sum of its proper divisors (599517).

1220067 is a wasteful number, since it uses less digits than its factorization.

1220067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1220067 is about 1104.5664307773. The cubic root of 1220067 is about 106.8549290308.

Adding to 1220067 its reverse (7600221), we get a palindrome (8820288).

The spelling of 1220067 in words is "one million, two hundred twenty thousand, sixty-seven".