1220108 has 12 divisors (see below), whose sum is σ = 2147712. Its totient is φ = 606480.

The previous prime is 1220099. The next prime is 1220147. The reversal of 1220108 is 8010221.

It is a junction number, because it is equal to n+sod(n) for n = 1220092 and 1220101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (178976).

2^1220108 is an apocalyptic number.

It is an amenable number.

1220108 is a deficient number, since it is larger than the sum of its proper divisors (927604).

1220108 is a wasteful number, since it uses less digits than its factorization.

1220108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1220108 is about 1104.5849899397. The cubic root of 1220108 is about 106.8561259604.

Adding to 1220108 its reverse (8010221), we get a palindrome (9230329).

The spelling of 1220108 in words is "one million, two hundred twenty thousand, one hundred eight".