1122205 has 8 divisors (see below), whose sum is σ = 1539072. Its totient is φ = 769488.

The previous prime is 1122181. The next prime is 1122227. The reversal of 1122205 is 5022211.

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 1122205 - 2⁹ = 1121693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15997 + ... + 16066.

It is an arithmetic number, because the mean of its divisors is an integer number (192384).

2^1122205 is an apocalyptic number.

It is an amenable number.

1122205 is a deficient number, since it is larger than the sum of its proper divisors (416867).

1122205 is an equidigital number, since it uses as much as digits as its factorization.

1122205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32075.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1122205 is about 1059.3417767652. The cubic root of 1122205 is about 103.9179888466.

Adding to 1122205 its reverse (5022211), we get a palindrome (6144416).

It can be divided in two parts, 112220 and 5, that added together give a square (112225 = 335²).

The spelling of 1122205 in words is "one million, one hundred twenty-two thousand, two hundred five".