1220183 has 8 divisors (see below), whose sum is σ = 1260336. Its totient is φ = 1180800.

The previous prime is 1220171. The next prime is 1220203. The reversal of 1220183 is 3810221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220183 - 2¹² = 1216087 is a prime.

It is a Duffinian number.

1220183 is a modest number, since divided by 183 gives 122 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4943 + ... + 5183.

It is an arithmetic number, because the mean of its divisors is an integer number (157542).

2^1220183 is an apocalyptic number.

1220183 is a deficient number, since it is larger than the sum of its proper divisors (40153).

1220183 is an equidigital number, since it uses as much as digits as its factorization.

1220183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1220183 is about 1104.6189388201. The cubic root of 1220183 is about 106.8583153964.

The spelling of 1220183 in words is "one million, two hundred twenty thousand, one hundred eighty-three".