1122667 has 16 divisors (see below), whose sum is σ = 1408960. Its totient is φ = 876096.

The previous prime is 1122659. The next prime is 1122679. The reversal of 1122667 is 7662211.

It is not a de Polignac number, because 1122667 - 2³ = 1122659 is a prime.

1122667 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1122647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15343 + ... + 15415.

It is an arithmetic number, because the mean of its divisors is an integer number (88060).

2^1122667 is an apocalyptic number.

1122667 is a deficient number, since it is larger than the sum of its proper divisors (286293).

1122667 is an frugal number, since it uses more digits than its factorization.

1122667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 93 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1122667 is about 1059.5598142625. The cubic root of 1122667 is about 103.9322475378.

Adding to 1122667 its reverse (7662211), we get a palindrome (8784878).

The spelling of 1122667 in words is "one million, one hundred twenty-two thousand, six hundred sixty-seven".