1122867 has 24 divisors (see below), whose sum is σ = 1769040. Its totient is φ = 683520.

The previous prime is 1122857. The next prime is 1122887. The reversal of 1122867 is 7682211.

It is not a de Polignac number, because 1122867 - 2⁷ = 1122739 is a prime.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1122867.

It is not an unprimeable number, because it can be changed into a prime (1122857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6184 + ... + 6362.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

2^1122867 is an apocalyptic number.

1122867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1122867 is a deficient number, since it is larger than the sum of its proper divisors (646173).

1122867 is a wasteful number, since it uses less digits than its factorization.

1122867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 240 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1122867 is about 1059.6541888748. The cubic root of 1122867 is about 103.9384189182.

Adding to 1122867 its product of digits (1344), we get a palindrome (1124211).

The spelling of 1122867 in words is "one million, one hundred twenty-two thousand, eight hundred sixty-seven".