1122347 has 4 divisors (see below), whose sum is σ = 1124640. Its totient is φ = 1120056.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122347 is 7432211.

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 1122347 - 2⁶ = 1122283 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1122367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (281160).

2^1122347 is an apocalyptic number.

1122347 is a deficient number, since it is larger than the sum of its proper divisors (2293).

1122347 is an equidigital number, since it uses as much as digits as its factorization.

1122347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292.

The product of its digits is 336, while the sum is 20.

The square root of 1122347 is about 1059.4087973960. The cubic root of 1122347 is about 103.9223718045.

Adding to 1122347 its reverse (7432211), we get a palindrome (8554558).

The spelling of 1122347 in words is "one million, one hundred twenty-two thousand, three hundred forty-seven".