1122207 has 4 divisors (see below), whose sum is σ = 1496280. Its totient is φ = 748136.

The previous prime is 1122181. The next prime is 1122227. The reversal of 1122207 is 7022211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122207 - 2¹¹ = 1120159 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187032 + ... + 187037.

It is an arithmetic number, because the mean of its divisors is an integer number (374070).

2^1122207 is an apocalyptic number.

1122207 is a deficient number, since it is larger than the sum of its proper divisors (374073).

1122207 is an equidigital number, since it uses as much as digits as its factorization.

1122207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374072.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1122207 is about 1059.3427207472. The cubic root of 1122207 is about 103.9180505809.

Adding to 1122207 its reverse (7022211), we get a palindrome (8144418).

The spelling of 1122207 in words is "one million, one hundred twenty-two thousand, two hundred seven".