1122567 has 4 divisors (see below), whose sum is σ = 1496760. Its totient is φ = 748376.

The previous prime is 1122551. The next prime is 1122571. The reversal of 1122567 is 7652211.

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 1122567 - 2⁴ = 1122551 is a prime.

It is a D-number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122587) 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, 187092 + ... + 187097.

It is an arithmetic number, because the mean of its divisors is an integer number (374190).

2^1122567 is an apocalyptic number.

1122567 is a deficient number, since it is larger than the sum of its proper divisors (374193).

1122567 is an equidigital number, since it uses as much as digits as its factorization.

1122567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374192.

The product of its digits is 840, while the sum is 24.

The square root of 1122567 is about 1059.5126238040. The cubic root of 1122567 is about 103.9291615728.

Adding to 1122567 its reverse (7652211), we get a palindrome (8774778).

It can be divided in two parts, 11 and 22567, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 1122567 in words is "one million, one hundred twenty-two thousand, five hundred sixty-seven".